In 1922 Fal Conde married María de los Reyes Macias Aguilar (1904-1975), a native of nearby Sanlucar. The newlyweds initially settled in Seville on Miguel del Cid street. The couple had seven children, born between 1923 and 1938. Some were active as Traditionalist militants during the Francoist period and also in the 1970s, opposing the socialist bid of Don Carlos Hugo. Three of his sons, José Maria, Alfonso and Domingo Fal-Conde Macias were present as supporters of Don Sixto during the Montejurra incidents of 1976. In the 1980s Domingo Fal-Conde Macias served as head of , a new united Carlist organization.