Frederick II (1090 - 6 April 1147), called the One-Eyed, was duke of Swabia. He was the eldest son of Frederick I, Duke of Swabia, and Agnes of Germany. He succeeded his father in 1105. In 1121 he married Judith of Bavaria, a member of the powerful House of Guelph. On the death of Emperor Henry V, his uncle, Frederick stood for election as King of the Romans with the support of his younger brother Conrad, duke of Franconia and several houses.

Philip of Swabia (1177-June 21, 1208) was king of Germany and duke of Swabia, the rival of the emperor Otto IV.

Frederick I von Staufen (1050-July 21 1105) was Duke of Swabia from 1079 to his death. He was the first ruler of Swabia of the House of Hohenstaufen. In 1089, Frederick married Agnes of Germany, daughter of Henry IV, Holy Roman Emperor. They had several sons and daughters, amongst whom were: * Frederick II of Swabia (1090-1147), the father of Frederick Barbarossa * Conrad III, king of Germany (1093-1152)

Frederick I Barbarossa (1122 - 10 June 1190) was elected King of Germany at Frankfurt on 4 March 1152 and crowned in Aachen on 9 March, crowned King of Italy at Pavia in 1154, and finally crowned Holy Roman Emperor by Pope Adrian IV on 18 June 1155. He was crowned King of Burgundy at Arles on 30 June 1178. Before his royal election, he was by inheritance Duke of Swabia (1147-1152, as Frederick III). He was the son of Duke Frederick II of the Hohenstaufen dynasty.

Conrad II, German: Konrad II von Hohenstaufen was duke of Swabia from 1191 to his death and Duke of Rothenburg (1188-1191). He was the fifth son of Frederick III Barbarossa and Beatrice, Countess of Burgundy and brother of Henry VI, Holy Roman Emperor. He was engaged to Berenguela of Castile but died before they could be married. In 1191, Conrad was present in Rome for the coronation of his brother, Henry VI, Holy Roman Emperor.

Frederick II (December 26, 1194 - December 13, 1250), of the Hohenstaufen dynasty, was a pretender to the title of King of the Romans from 1212 and unopposed holder of that monarchy from 1215. As such, he was King of Germany, and of Italy, and of Burgundy. He was Holy Roman Emperor from his papal coronation in 1220 until his death. His original title was King of Sicily, which he held as Frederick I from 1198 to death.

Frederick VI of Hohenstaufen was duke of Swabia from 1170 to his death at the siege of Acre. He was the third son of Frederick III Barbarossa and Beatrice I, Countess of Burgundy and brother of Henry VI, Holy Roman Emperor. Frederick married (or only bethroted) with the princess Constanze of Hungary, but had no known descendants. See also: Dukes of Swabia family tree

The Hohenstaufen (or the Staufer(s)) were a dynasty of Germanic Kings (1138-1254), many of whom were also crowned Holy Roman Emperor and Dukes of Swabia. In 1194 the Hohenstaufen became also Kings of Sicily. The proper name, taken from their castle in Swabia, is Staufen. Therefore the dynasty is sometimes also called Swabian dynasty after the family's origin.

Henry III (29 October 1017 - 5 October 1056, German: Heinrich III), called the Black or the Pious, was a member of the Salian Dynasty of Holy Roman Emperors. He was the eldest son of Conrad II of Germany and Gisela of Swabia and his father made him duke of Bavaria (as Henry VI) in 1026, after the death of Duke Henry V. Then, on Easter Day 1028, his father having been crowned Holy Roman Emperor, …

Frederick IV of Hohenstaufen (1145 - 1167) was duke of Swabia, succeeding his cousin, Frederick Barbarossa, Holy Roman Emperor, in 1152. He was the son of Conrad III of Germany and his second wife Gertrude von Sulzbach and thus the direct heir of the crown, had there been true heredity. However, on his death bed, Conrad III allegedly advised the only two persons present, his nephew Frederick Barbarossa and the bishop of Bamberg, …

Otto II (died 1047) was Count Palatine of Lotharingia (1034 - 1045), then Duke of Swabia (1045 - 1047), and all the while Count in Deutz and Auelgau (1025 - 1047). He was also the protector of Brauweiler, the son of Ezzo and Matilda, a daughter of the Emperor Otto II, and a member of the Ezzonian dynasty. In 1034, the Count Palatine Ezzo died. As Otto's older brother Liudolf had died in 1031, he succeeded his father to that position.

Frederick V of Hohenstaufen was duke of Swabia from 1167 to his death still young. He was the eldest son of Frederick III Barbarossa and Beatrice I, Countess of Burgundy. See also: Dukes of Swabia family tree – Other child rulers

Burchard II was the Duke of Swabia (from 917) and Rhaetia. He was the son of Burchard I and Liutgard of Saxony. Burchard took part in the early wars over Swabia. His family being from Franconia, he founded the monastery of St Margarethen in Waldkirch to extend his family's influence into the Rhineland. On his father's arrest and execution for high treason in 911, he and his wife, Regelinda, daughter of Count Eberhard I of Zürich, …

Conrad or Conradin of Hohenstaufen (also called Conrad the Younger, Conradin the Boy, Conrad V, German Konradin or Konrad V, or Konrad der Jüngere) (March 25, 1252 - October 29, 1268), duke of Swabia, king of Jerusalem (as Conrad III), and King of Sicily 1254-1258, 1268, son of the German king Conrad IV, and of Elisabeth of Bavaria, …

Herman II (died 4 May 1003) was the Conradine duke of Swabia from 997 to his death, as the son of and successor Conrad I. Herman opposed the election of Henry III, Duke of Bavaria, as king of Germany because he himself had been a contender. Henry separated Alsace from Swabia and took control of the duchy, a situation which continued through the reign of Herman's son and successor, Herman III. He married Gerberga of Burgundy, and they had Gisela of Swabia, …

Burchard I (died 5 or 23 November 911) was the duke of Swabia from 909 to his death and margrave of Rhaetia, as well as count in the Thurgau and Baar. Born between 855 and 860, he was the son of Adalbert II, count in the Thurgau. He himself married Liutgard of Saxony. By 900, Burchard was already the most powerful man in Swabia. In 904, he was the administrator of the lands of the abbey of Lorsch in Swabia.

Herman I (died 10 December 949) was the first Conradine Duke of Swabia (from 926), the son of Gebhard, Duke of Lorraine, and a cousin of King Conrad I of Germany. When duke Burchard II died at Novara, while campaigning in Italy, King Henry the Fowler gave the duchy to Herman. By investing the duke at a "reichstag" at Worms, the king clearly demonstrated that he, not the tribal noblesse, had the right to appoint the duke.

Charles the Fat (Latin: "Carolus Pinguis"; 13 June 839 - 13 January 888) was the King of Alemannia from 876, King of Italy from 879, Holy Roman Emperor (as Charles III) from 881, King of East Francia from 882, and King of West Francia from 884. He was deposed in East Francia, Lotharingia, and possibly Italy (there the records are not clear) in 887. He died just a few weeks after his deposition in January 888.

Conrad IV (25 April, 1228 - 21 May, 1254) was king of Jerusalem (as Conrad II) (1228-1254), of Germany (1237-1254), and of Sicily (as Conrad I) (1250-1254). He was a son of the Hohenstaufen Emperor Frederick II and the queen regnant of Jerusalem, Yolanda. Born in Andria, Conrad was the second but only surviving son of Frederick and Yolanda, who died while bearing him. Conrad lived in Italy until 1235, when he first visited Germany.

Conrad I (died August 20, 997) was Duke of Swabia from 983 until 997. His appointment as duke marked the return of Conradine rule over Swabia for the first time since 948. When Duke Otto I unexpectedly died during the Imperial campaign in Italy of 981-982, he left no heirs. To fill the vacancy, Emperor Otto II appointed Conrad as Duke of Swabia.

Otto III, called the White and known as Otto of Schweinfurt, was the margrave of the Nordgau (1024 - 1031) and duke of Swabia (1048 - 1057). He was the son of Henry of Schweinfurt, margrave of the Nordgau, and Gerberga of Henneberg. He was one of the most powerful East Franconian princes by inheritance: having extensive land in the Radenzgau and Schweinfurt. In 1014, he first appears as count of Lower Altmühl (or Kelsgau) and, in 1024, …

Otto IV of Brunswick was one of two rival kings of the Holy Roman Empire from 1198 on, sole king from 1208 on, and emperor from 1209 on. The only king of the Welf dynasty, he was deposed in 1215.

Herman IV (died 1038) was the Duke of Swabia (1030-1038). He was the second son of Ernest I and Gisela of Swabia. He was one of the Babenberg dukes of Swabia. Herman became duke in 1030 following the death of his older brother Ernest II. At the time he was still a minor. Seven years later, his stepfather, the Emperor Conrad II, married him to Adelaide of Susa, the marchioness of Turin, in January 1037.

Burchard III was the count of Thurgau and Zürichgau, perhaps of Rhaetia, and then Duke of Swabia from 954 to his death. He was the son of Burchard II and Regilinda. At a young age on the murder of his father in 926, he was sent to Saxony for his safety after the accession of the duke Herman I. In Saxony, he married a member of the Immedinger family. From this marriage came two sons: Theodoric, count of Wettin, and Burchard, count of Liesgau.

Ernest II (died August 17, 1030) was Duke of Swabia from 1015 to 1030. A member of the Babenberg family, he was the son of Ernest I and Gisela of Swabia. As the elder son of his father, Ernest became duke following the senior Ernest's death in 1015. Since he was a minor, the government of Swabia was run by regency. At first his mother Gisela assumed the position of regent; she later gave way to Poppo, Archbishop of Trier.

Rudolph of Rheinfelden (German: Rudolf von Rheinfelden; c. 1025-15 October 1080 in Merseburg), was Duke of Swabia (1057-1079) and German antiking (1077-1080). He was the son of Count Kuno of Rheinfelden. In 1057 Rudolf allegedly took advantage of the minority of German King Henry IV by kidnapping Matilda, the king's sister. Rudolf demanded, and received, Matilda's hand in marriage (1059), …

Ernest I (died March 31 or May 31, 1015) was Duke of Swabia (1012-1015). He was a younger son of Leopold I, the Babenberg Margrave of Austria. In 1012 Henry II, King of Germany, gave the Duchy of Swabia to Ernest following the death of its childless ruler Hermann III. In order to further legitimatize his rule as duke, he married Gisela of Swabia, the eldest sister of Hermann. Ernest and Gisela had two sons, Ernest and Hermann, …

Hermann III (died April 1, 1012) was Duke of Swabia from 1003 until 1012. The son of Hermann II, he was a member of the Conradines. Hermann's reign as duke was effectively controlled by the King of Germany, Henry II. At the time of his ascension, Hermann was still a minor, and Henry disliked the Conradines; Hermann II had opposed his election as king in 1002. Henry's control over Swabia was still present when Hermann died in 1012.

Berthold I (c. 1060 - 18 May 1090), better known as Berthold of Rheinfelden, was the Duke of Swabia from 1079 until his death. He was the only son of Rudolf of Rheinfelden, the German anti-king who opposed the Emperor Henry IV. Berthold's mother's name is unknown, but on her death in 1079, Rudolf needed a new supervisor of the south German resistance, since he was himself confined to Saxony and cut off from his allies in Swabia.

Berthold II was the Duke of Swabia from 1092 to 1098. He was the only son of Rudolf of Rheinfelden, the German anti-king who opposed the Emperor Henry IV. Berthold was a son of Berthold I of Zähringen and initially supported Rudolf of Rheinfelden against King Henry IV. Both the Zähringer and Rheinfeldener were relieved of their titles and possessions by the king in 1077. Berthold I died in 1078 and Berthold inherited his claims, including a claim on the Duchy of Swabia.

Henry (VII) (1211 - February 12 (?), 1242), was King of the Romans, King of Sicily, and Duke of Swabia. He was the son and co-king of Emperor Frederick II and elder brother of King Conrad IV of Germany.

Duke Rudolph II of Austria, titular "Duke of Swabia" (1270-May 10, 1290) was the younger son of Rudolph of Habsburg, from 1273 King of the Romans, and Gertrude of Hohenburg. In December 1282 he became Duke of Austria and Styria jointly with his brother Albert I. However, in the Treaty of Rheinfelden (June 1, 1283) he had to waive his share. He married 1289 Agnes of Bohemia (1269-96), daughter of Otakar II of Bohemia and had one son John.

Conrad III (1093 - 15 February 1152) was the first King of Germany of the Hohenstaufen dynasty. He was the son of Frederick I, Duke of Swabia, and Agnes, a daughter of the Salian Emperor Henry IV. Conrad was appointed Duke of Franconia by his uncle, Henry V, in 1115. One year later he acted as regent for Germany, together with his elder brother, Frederick II of Swabia. At the death of Henry (1125), Conrad unsuccessfully supported Frederick for the kingship of Germany.

Liudolf (930-6 September 957) was the duke of Swabia from 950 until 954. He was the only son of Otto I, king of Germany, from his wife Eadgyth, daughter of Edward the Elder, king of England. Liudolf married Ida, daughter of Duke Herman I. When Herman died, Otto appointed his eldest son and heir apparent duke. Liudolf was a popular ruler with the tribe. After the usurpation of Berengar II of Italy, he invaded Lombardy in 951. His father foiled his plans and invaded as well, …

Erchanger or Erchangar (c.880 - 21 January 917) was the duke of Swabia from September 915 to his death. He was the son of Berthold I, count palatine of Swabia, who is sometimes called Erchanger as well, in which case the duke is Erchanger II. His mother was Gisela, daughter of Louis the German and his family is known as the Ahalolfinger. He was originally a "missus dominicus" in Swabia.

Magnus (c. 1045-23 August 1106) was the duke of Saxony from 1072 to 1106. Eldest son and successor of Ordulf and Wulfhild of Norway, he was the last member of the House of Billung. In 1070, before he was duke, he joined Otto of Nordheim, duke of Bavaria, in rebellion against the Salian Emperor Henry IV. Otto was accused of being privy to a plot to murder the king, and it was decided he should submit to the ordeal of battle with his accuser.

Hunfrid (I) was the Margrave of Istria and, according to some sources, Duke of Friuli from 799 to circa 804, when a Duke John is found ruling Istria. He was the founder of the family called the Hunfridings. Hunfrid appears in Istria as "marchio" in 799, the same year that Eric of Friuli died. He was an Aleman and a count in (or of) Rhaetia, where he is found in 806 and 808.

Gebhard of Lahngau (c.888 - 22 June 910), of the Conradine dynasty, son of Odo (d.879), count of Lahngau, and Judith, was himself count of Wetterau (909-910) and Rheingau (897-906) and then duke of Lotharingia (Lorraine). In 903, Louis the Child, king of Germany, gave him the government of Lotharingia with the title of duke ("Kebehart dux regni quod a multis Hlotharii dicitur"). Gebhard died in battle against the Magyars, somewhere by Augsburg.