He married on 17 September 1951 Lelia Calista Ada Caetani (b. 1913; d. 11 Jan 1977), painter and plantswoman, daughter of the noted composer Roffredo Caetani, 17th Duke of Sermoneta and 8th Prince of Teano (1871–1961), who was the last of her 1,000-year-old family line.
William Howard Taft | John Howard | Howard Hughes | Howard Stern | Howard University | Ron Howard | Hubert Humphrey | Howard Dean | Howard Hawks | Howard Zinn | The Howard Stern Show | Robert E. Howard | Howard Shore | Howard Carter | Howard | Howard Baker | Howard County, Maryland | Trevor Howard | Michael Howard | Clint Howard | Leslie Howard | Clark Howard | Russell Howard | Howard Barker | Ebenezer Howard | Oliver O. Howard | Leslie Howard (actor) | Hubert Parry | Howard Nemerov | Howard Gardner |