History of Westchester County, New York, Vol. I
By her, he had four sons ; first, James ; second, Stephen ; third, Heathcote ; fourth, John Peter ; and four daughters; first, Mary, wife of William Walton, who died in 1767 ; second, Susannah, born 18th November, 1737, died a spinster in 1815 ; third, Anne, born 1746, and died in 1817, who married Thomas Jones, Justice of the Supreme Court of New York, author of the History of New York during the Revolutionary War ; and Martha who died a spinster, aged 19, in 1769.
James De Lancey, the eldest son of the Lieutenant- Governor, born in 1732, was the head of the political party, called by his name, from his father's death to the Revolution and its leader in the Assembly of the Province. He married, August 17th, 1771, Margaret Allen of Philadelphia, daughter of William Allen, Chief Justice of Pennsylvania, whose sister was the wife of Governor John Penn of that Province. The late Mrs. Harry Walter Livingston (born Mary Allen) who died in 1855, was a niece of these two sisters. James de Lancey had two sons, Charles in early life a British naval officer, and James, Lieut-Colonel of
Porker's Poit Boy and other newspupei'S.
HISTORY OF WESTCHESTER COUNTY.
the First Dragoon Guards; both died bachelors, the former May 6th, 1840, and the latter May 26th, 1857 ; and three daughters, Margaret, married July 17th, 1794, Sir Jukes Granville Clifton Jukes, Bart, and died June 11th, 1804 without leaving children ; Anna and Susan who both died spinsters, the first, August 10th, 1851, and the last April 7th, 1866.