Catherine of Bosnia (Bosnian: Katarina Tomašević Kotromanić/Катарина Томашевић Котроманић; born in 1453) was a member of the House of Kotromanić and the last Bosnian princess. She was the only daughter of King Thomas and Queen Catherine, who also had a son named Sigismund. When Thomas died, in July 1461, the Bosnian crown devolved upon her older half-brother, Stephen Tomašević. Catherine and Sigismund are popularly said to have moved at that time with their mother to the castle of Kozograd above Fojnica. It is likely, however, that they remained at the royal court in Jajce, being their half-brother's closest heirs. In 1463, the Ottomans led by Mehmed the Conqueror invaded Bosnia. The royal family apparently decided to split and flee towards Croatia proper and the coast in different directi