Question

Why does King Alonso feel he's lost both a son and daughter?*

They both died in the shipwreck.
O They both have married into a different family.
Ferdinand is perceived dead, and Claribel is now living very far away as a queen in
Africa
O Ferdinand and Claribel tried to betray him.

Answer 1

Answer- Ferdinand is perceived dead, and Claribel is now living very far away as a queen in Africa.

Explanation- He cries out that he regrets every marrying his daughter to the king on Tunis, as it cost him his son, and his daughter is so far away he might as well never see her again.

Hoped that helped :)