He is married to Constantia de Moncada de Béarn.
They got married on March 26, 1260 at Caltayud, he was 31 years old.
euweb.dir/barcelona2.html
D1. [1m.] Alfonso, *1229, +Calatayud 1260; m.Calatayud 1260 Constanza de Moncada, Cts de Bigorre, Vcts de Marsan (+1310), dau.of Gaston VII Vcte de Béarn by Matilde de Mastas
Alfonso de Aragón | ||||||||||||||||||
1260 | ||||||||||||||||||
Constantia de Moncada de Béarn |