Frederick Frelinghuysen

Frederick Frelinghuysen (September 30, 1848 – January 1, 1924) His siblings included: Matilda Griswold Frelinghuysen (who married prominent merchant Henry Winthrop Gray); Charlotte Louisa Frelinghuysen; George Griswold Frelinghuysen; m. Sara Linen Ballantine (granddaughter of Peter Ballantine) prominent New York clubman Theodore Frelinghuysen; and Sarah Helen Frelinghuysen His father was a lawyer who served as a U.S. Senator and later as Secretary of State under President Chester A. Arthur.

His paternal grandparents were Frederick Frelinghuysen and Mary (née Dumont) Frelinghuysen. His grandfather died when his father was just three years old, so his father was adopted by his uncle, Theodore Frelinghuysen. Both grandfather and adopted grandfather were sons of Frederick Frelinghuysen, the eminent lawyer who was one of the framers of the first New Jersey Constitution, a soldier in the American Revolutionary War, a member of the Continental Congress, and a member of the United States Senate.

He graduated from Rutgers College in 1868. Her paternal grandfather was Chargé d'Affaires to the Kingdom of Sardinia William Burnet Kinney (whose second wife was writer Elizabeth Clementine Stedman). Together, they lived in Elberon, New Jersey, and were the parents of four sons and one daughter including: who married Elizabeth (née Lyman) Harrower, a daughter of Maj. Ronald T. Lyman and Elizabeth Van Cortlandt (née Parker) Lyman, in 1937. She was the former wife of Gordon Harrower. Thomas Talmadge Kinney Frelinghuysen (b. 1905), of Thonon-les-Bains, Haute Savoie, and Shipton Court, Lenox, Massachusetts (today the Seven Hills Inn), in 1949. Theodore Frelinghuysen (b. 1907). Estelle C. "Suzy" Frelinghuysen (1911–1988), who married fellow painter George Lovett Kingsland Morris.

He died in the Post Graduate Hospital after a three-week illness in Manhattan, New York City, on January 1, 1924. His widow died on May 13, 1931.