Louis I, also Louis the Great or Louis the Hungarian, was King of Hungary and Croatia from 1342 and King of Poland from 1370. He was the first child of Charles I of Hungary and his wife, Elizabeth of Poland, to survive infancy. Wikipedia
Born: March 5, 1326, Visegrád, Hungary
Died: September 10, 1382 (age 56 years), Trnava
Children: Jadwiga of Poland, Mary, Queen of Hungary, and Catherine of Hungary
Spouse: Elizabeth of Bosnia (m. 1353–1382) and Margaret of Bohemia, Queen of Hungary (m. 1348–1349)
Organization founded: Medieval university of Pécs
Cousins
Anna of Poland, Countess of Celje
via Elizabeth of Poland, Queen of Hungary
Elizabeth of Poland, Duchess of Pomerania
via Elizabeth of Poland, Queen of Hungary
Cunigunde of Poland
via Elizabeth of Poland, Queen of Hungary
Niemierz
via Elizabeth of Poland, Queen of Hungary
Hedwig von Polen
via Elizabeth of Poland, Queen of Hungary
Jan
via Elizabeth of Poland, Queen of Hungary