sentences:  His father, Juan Bauptista de Bonechea Aramburu (1685–1770), son of Geronimo Boneachea and Mariana Aramburu, commanded the fishing vessel "Terranova" off Nova Scotia in 1727 became a captain in the Spanish Royal Navy, and was Alcalde (mayor) of Getaria in 1756; his uncle Francisco de Bonechea Aramburu was a frigate captain.His mother was Francisca Andonaegui Narbasta; the parents married on 25 March 1714, a few months after Domingo's birth.His younger brother Francisco Bonechea Andonaegui was also a naval officer, mentioned as a lieutenant aboard one of the frigates that escorted Carlos III from Italy to Spain in 1759 on his accession to the Spanish throne.