In 1919, Kuser married 17-year-old Brooke Russell (later known as Brooke Astor), and they had a child, Anthony.
John Jacob Astor | Brooke Shields | Rupert Brooke | Brooke Bond | James Brooke | Astor family | William Waldorf Astor | Mary Astor | John Jacob Astor IV | Alan Brooke, 1st Viscount Alanbrooke | William Waldorf Astor, 1st Viscount Astor | Charles Brooke | Brooke Burke | William Backhouse Astor, Sr. | Tim Brooke-Taylor | Nancy Astor, Viscountess Astor | Charles Vyner Brooke | Vincent Astor | Robert Greville, 2nd Baron Brooke | Brooke Astor | Astor | Tom Brooke (actor) | Tom Brooke | Edward Brooke | Brooke White | Brooke Westcott | Basil Brooke, 1st Viscount Brookeborough | Ástor Piazzolla | Astor Piazzolla | Sir Brooke Boothby, 6th Baronet |
Arnold Scaasi (born May 8, 1930) is a Canadian fashion designer who has created gowns for First Ladies Mamie Eisenhower, Barbara Bush, Hillary Clinton, and Laura Bush, in addition to such notable personalities as Joan Crawford, Ivana Trump, Princess Yasmin Aga Khan, Lauren Bacall, Diahann Carroll, Elizabeth Taylor, Catherine Deneuve, Brooke Astor, Arlene Francis, Mary Tyler Moore and The Baroness Wendy DeVere-Austin.
His second wife, whom he married in August 1939, when she was 21 and he was 63, was Helen Huntington "Peggy" Marshall, the stepdaughter of the philanthropist Brooke Astor and a niece of Vincent Astor.
In July 2006, Seitel was retained by Philip Marshall, the grandson of New York society heiress Brooke Astor, in a dispute with his father, Anthony Marshall, over the treatment of Astor.