Jelena Šubić Croatian noblewoman, Queen Mother of Bosnia and mother of King Tvrtko I of Bosnia (1301–1378) Parents George II Šubić of Bribir Children Vuk, Ban of Bosnia Tvrtko I of Bosnia Catherine of Bosnia, Countess of Cilli Siblings Mladen III Šubić of Bribir Paul III Šubić of Bribir Partners Vladislaus of Bosnia