Catherine of Bosnia, Countess of Cilli
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Catherine of Bosnia (Serbo-Croatian: Katarina Kotromanić, Slovene: Katarina Celjska - Kotromanićka)[1] (fl. 14th century) was a Bosnian noblewoman. She was Countess of Cilli by her marriage to Hermann I, Count of Cilli, and a member of the House of Kotromanić by birth.