Jelena Šubić
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Jelena Šubić was a Croatian countess from the noble Šubić family, and mother of Bosnian King Tvrtko. She was born early in the 14th century (probably around 1306), and was married to Vladislav Kotromanic. She has often been described as power-hungry, as she exerted much influence in her husband and children's lives. She died around 1378.