Attention: Age at marriage (October 18, 1254) below 16 years (15).
He is married to Queen Eleanor Plantagenet of Castile and Leon.
They got married on October 18, 1254 at Marriage/Burgos, Burgos, Castilla-Leon, Spain, he was 15 years old.
Child(ren):
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=120117605&pid=6528/ Ancestry.com