Following their four daughters, Elizabeth gave birth to Louis on 4 February 1338. Louis became the heir to Peter II, his father. After successfully producing a male heir, Elizabeth and Peter II had Frederick, later Frederick IV of Sicily and his brother Louis's successor. Peter II and Elizabeth had three more children together; Violante, who was born in 1334, died young, John (1342- 22 June 1353) and Blanche (1342-1373), who married John, Count of Amphurias. Of their nine children, 5 daughters and 2 sons survived into adulthood.