William Waldorf Astor 1st Viscount Astor. 4 Generations. 10 People. 1 Duchesses. 1 Countess. 4 Viscounts. 3 Barons.

Thomas Franklin. 3 Generations. 4 People.

Joseph Patrick Kennedy 1 President. Additional Surnames: Kennedy.

Cornelius van Derbilt. 6 Generations. 14 People. 1 Duchesses.