Catherine of Hungary, a member of the Capetian House of Anjou, was heir presumptive to the thrones of Hungary and Poland as eldest child of King Louis the Great and his second wife, Elizabeth of Bosnia. Wikipedia
Born: July 1370, Hungary
Died: May 1378 (age 7 years), Hungary
Great-grandparents: Władysław I Łokietek, Charles Martel of Anjou, Jadwiga of Kalisz, and more
Grandparents: Elizabeth of Poland, Queen of Hungary, Charles I of Hungary, Stephen II, Ban of Bosnia, and more
Siblings: Mary, Queen of Hungary and Jadwiga of Poland
Parents: Louis I of Hungary and Elizabeth of Bosnia