 At unspecified time José Sánchez Marco married Soledad Doussinague Casares (1870-1943), descendant to a petty bourgeoisie family; her father, Pedro Doussinague Adema, was related to a textile manufacturing business in the Gipuzkoan town of Laskurain.The couple had five children, who changed their name to Sánchez-Marco Doussinague; two sons and three daughters.Known locally in Navarrese realm, none of them became a nationally recognized figure; Antonio volunteered to the Carlist requeté during the Civil War; though not a military, he commanded a platoon in Tercio María de las Nieves battalion.