He was a son of Col. Alexander Thompson Britton (1835–1899) and Mary Crandall Wilcox (1833–1868).
[4] Britton joined the law firm started by his father in 1864,[5] eventually becoming senior partner.
[6] Before her death on January 23, 1917, they were the parents of: After his first wife's death, shortly after their eldest daughter's wedding to Prince Alfred, Britton married Marjorie (née Savin) Pilson (1891–1951) on December 1, 1923, at his home at Chevy Chase, Maryland.
[4] After his death, his widow married Count Ippolito Salvoni of Florence, Italy on June 21, 1927.
[12] Through his daughter Catherine, he was a grandfather of Prince Alexander Konrad of Hohenlohe-Schillingsfürst (1918–1984), who married Margaret Boyce Schulze in 1939 (a granddaughter of industrialist William Boyce Thompson and stepdaughter of Ambassador Anthony Joseph Drexel Biddle Jr., they divorced and Margaret married singer Morton Downey);[13][14] and Prince Konrad Maximilian Alfred of Hohenlohe-Waldenburg-Schillingsfürst (1919–1943), who married Ladislaja Mayr von Melnhof (after his death she married Count Johann Jakob Eltz).