Louis of Castile
Louis of's father was
Ferdinand III "The Saint" of Castile and his mother was
Joan of Ponthieu. His paternal grandparents were
Alfonso IX of Leon and
Berenguela of Castile. He had a brother and a sister, named
Ferdinand of and
Eleanor of. He had seven half-brothers and three half-sisters, named
Ferdinand of,
Frederick of,
Henry of,
Manuel of,
Phillip of,
Sancho of,
Alfonso of,
Eleonor of,
Berenguela of and
Mary of.