Toda was the daughter of Fortun Sanchez de Nagera but her mother is unknown. The date and place of her birth have not been found.
Her husband was Íñigo López de Vizcaya. They were married, but the date and place have not been found. Their eight known children were Lope II Iñiguez (?-1092), Sancho Iñiguez (?-c1070), Garcia Iñiguez (?-?), Galindo Iñiguez (?-?), Fortunio Iñigues (?-1100), Aldonza Iñiguez (?-?), Juliana Iñiguez (?-?) and Nuña Iñiguez (?-?).