Sibylla (c. 1160 - 1190) was the Countess of Jaffa and Ascalon from 1176 and Queen of Jerusalem from 1186 to 1190. She was the eldest daughter of Amalric I of Jerusalem and Agnes of Courtenay, sister of Baldwin IV and half-sister of Isabella of Jerusalem, and mother of Baldwin V of Jerusalem. Her grandmother Queen Melisende had provided an example of successful rule by a queen regnant earlier in the century. Wikipedia
The definitive Wikipedia entry for Sibylla Of Jerusalem. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Sibylla_of_Jerusalem
