He was born circa 1735. His father was Joseph Canales, and his mother was Antonia Rafela del Bosque.
He married Ana Josefa Cuellar.
He married Maria Dominga Guerra, daughter of Vicente Guerra Cañamar and Micaela Geronima de la Garza. It was his second marriage.
Ana Dominga Canales, born 1767. She married Jose Miguel Hinojosa, son of Marcelino Hinojosa and Rosa Maria Saldua.