He married in
Rome, July 5, 1897 Marianita dei Duchi Lante Montefeltro della Rovere (
Rome, May 30, 1873 –
Rome, February 22, 1971), granddaughter of wealthy Americans, Ann and
Thomas E. Davis from
New York City,
New York, by whom he had four children:
Donna Giacinta dei Principi Ruspoli (
Rome, April 11, 1898 –
Rome, September 4, 1982), married firstly in
Rome, April 30, 1919 Clemente dei Principi del Drago Marchese di Rioffredo (
Rome, September 9, 1897 –
Rome, March 7, 1939), and had issue, and secondly in
Rome, November 4, 1941 Conte Alvise Emo-Capodilista (
Vicenza, July 17, 1898 –
Rome, January 7, 1980), without issue
Donna Egle dei Principi Ruspoli (
Rome, April 21, 1902 –
Rome, July 3, 2000), married in
Rome, April 28, 1924 Alessandro Federici, Marchese della Costa (
Chieri, August 5, 1899 –
Rome, March 16, 1989), and had issue
Don Luigi dei Principi Ruspoli (
Rome, March 14, 1908 –), married in
Rome, April 23, 1938 Eleonora Berlingieri dei Marchesi di Valle Perrotta (
Rome, August 25, 1913 –
Rome, October, 1989), and had two sons:
Don Giulio dei Principi Ruspoli (
Rome, September 23, 1939 –), married firstly in
Rome, June 2, 1974 Paola Murri, without issue, and secondly Patrizia Memmo, without issue
Don Pietro dei Principi Ruspoli (
Rome, October 27, 1940 –), married at
Cerveteri, October 3, 1970 Letizia Ciancarelli, and had a daughter and a son:
Donna Marianita dei Principi Ruspoli (1976/1977 –), married at the
Villa Papale della Suvera, near
Siena, September 23, 2006 Luca Pirri Ardizzone (
Milan, April 18, 1973 –)
Don Alessandro dei Principi Ruspoli (1980); married 20 June 2015 Guja Randaccio dei conti del Timavo