Tvrtko I of Bosnia founder and first king of the Kingdom of Bosnia (r. 1377–91) (1338–1391) Parents Jelena Šubić Vladislaus of Bosnia Children Vuk Banić Tvrtko II of Bosnia Helen of Bosnia Ostoja of Bosnia Siblings Vuk, Ban of Bosnia Catherine of Bosnia, Countess of Cilli Stephen Dabiša of Bosnia Partners Dorothea of Bulgaria
