Peter Hood Ballantine Frelinghuysen I

Peter Hood Ballantine Frelinghuysen (September 15, 1882 – March 11, 1959) was an American lawyer and banker. and the former Sara Linen Ballantine (1858–1940). He had one sibling, Matilda Elizabeth Frelinghuysen, who did not marry. His paternal grandparents were Matilda Elizabeth (née Griswold) Frelinghuysen and Frederick Theodore Frelinghuysen, a lawyer who served as a U.S. Senator and later as Secretary of State under President Chester A. Arthur. Among his large extended family was aunt Matilda Griswold Frelinghuysen, (wife of Henry Winthrop Gray), Charlotte Louisa Frelinghuysen; uncle Frederick Frelinghuysen, uncle Theodore Frelinghuysen; and aunt Sarah Helen Frelinghuysen,

After attending the Morristown School, he graduated from Princeton University in 1904, followed by Columbia Law School, where he was a classmate of future President Franklin D. Roosevelt.

Personal life On February 7, 1907, Frelinghuysen was married to Adaline Havemeyer (1884–1963). She was the daughter of Henry Osborne Havemeyer, president of the American Sugar Refining Company. Franklin D. Roosevelt was an usher at the wedding. Together, they were the parents of:

Frederica Louisine Frelinghuysen (1909–1995), who married Richard High Carleton (1908–1950) in 1930. They divorced in 1936, and she married Huntington Denton Sheldon in 1938. They also divorced and she married, thirdly, James Thomas Emert (1907–1989) in 1942. George Griswold Frelinghuysen (1911–2004), an interior designer. Henry Osborn Havemeyer Frelinghuysen (1916–1994), who married Marian Kingsland, a granddaughter of George Lovett Kingsland and the former wife of Count Hans Christoph Seherr-Thoss. Peter Hood Ballantine Frelinghuysen II (1916–2011), a U.S. Representative who married Beatrice Sterling Procter, a descendant of a founder of Procter & Gamble, in 1940.

He served as president of the Gulf Stream Golf Club in Delray Beach, Florida, and the Morris County Golf Club. His funeral was held at St. Peter's Episcopal Church in Morristown. His widow, who bred miniature poodles, died in Palm Beach, Florida, in April 1963.