Alejo was the son of Pedro de Esparza and Colomba de Garro, possible descendant of Pere Arnaut de Garro, member of the court of Charles III of Navarre.
Alejo was the son of Pedro de Esparza. Alejo was the son of Colomba de Garro. Pedro de Esparza were possible descendant of Pere Arnaut de Garro. Colomba de Garro were possible descendant of Pere Arnaut de Garro. Pere Arnaut de Garro was member of the court of Charles III of Navarre.