Diego López I de Haro was the third Lord of Biscay, and also the ruler of Álava, Buradón, Grañón, Nájera, Haro, and perhaps Guipúzcoa: the most powerful Castilian magnate in the Basque Country and the Rioja during the first quarter of the twelfth... Wikipedia
Born: 1075
Parents: Lope Íñiguez
Great-grandparents: Tota Gartzeitz, Fortún Sánchez, Señor de Nájera, and Lope Velásquez
Grandchildren: Diego López II de Haro, Urraca López de Haro, Lope López de Vizcaya, and more
Grandparents: Íñigo López, Lord of Biscay and Toda Ortiz
Great grandchildren: Lope Díaz II de Haro, Sancho Fernández de León, Urraca Díaz de Haro, and more
Children: Lope Díaz I de Haro and Sancho Díaz de Haro