Barbara of Celje or Barbara of Cilli was Holy Roman Empress. She received the sobriquet "Messalina of Germany". She was the daughter of Herman II, Count of Celje, and his wife Anna, Countess of Schaunberg (daughter of Heinrich VII, Count of Schaunberg). Herman II was the son of Herman I, Count of Celje and Princess Katarina Kotromanic of Bosnia, who was the older sister of Elisabeth of Bosnia (Kotromanic), the wife of Louis I of Hungary. Wikipedia
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