In 1375, it was planned that when becoming old enough, she would marry William of Austria and she lived in Vienna from 1378 to 1380. Jadwiga´s father is often thought to have regarded her and William as his favoured successors in Hungary after the 1378 death of her eldest sister, Catherine, since the following year the Polish nobility had pledged their homage to Louis´ second daughter, Mary, and Mary´s fiancé, Sigismund of Luxembourg. However, Louis died, and in 1382, at her mother´s insistence, Mary was crowned "King of Hungary". Sigismund of Luxembourg tried to take control of Poland, but the Polish nobility countered that they would be obedient to a daughter of King Louis only if she settled in Poland.
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