Casimir the Great married Anna, Aldona Ona, the daughter of the duke of Lithuania Gediminas.
Casimir's sister Elizabeth was associated with [Charles I Robert]?, king of Hungary of the Anjou? and Capet? family dynasty.
They had a son named Louis I the Great of Hungary, king of Hungary since 1342 .
When Casimir III the Great died in 1370, Louis I the Great of Hungary succeded him to become king of Poland and Hungary .
/Talk?