list 5617 missing in text

[Jilu]

Historical Notes
"This list covers the Kingdom of Naples, officially known as the Kingdom of Sicily. In 1421 the childless Queen Joanna II of Naples adopted and named him as heir to the Kingdom of
Naples. His rival claimant, Louis III of Anjou contested the crown."

Who is "him" ?

[lionheartrjc]

Alfonso V of Aragon.