His parents were Don Rodrigo de Vivero and Doña Antonia de Velasco, the sister of Luís de Velasco, second Viceroy of New Spain. In 1563 he married Alonso Valiente's widow, Melchora de Aberrucia.
Don Rodrigo de Vivero and Doña Antonia de Velasco were his parents; she was the sister of Luís de Velasco, second Viceroy of New Spain. In 1563, he married Alonso Valiente's widow, Melchora de Aberrucia.