The History of the Several Towns, Manors, and Patents of the County of Westchester (1881 revised edition, Vol. I)
Thomas James de Lancey, the younger sold his part 01 de Lancey's Neck in his lifetime, and it is now held by many owners -- among whom are James M. Constable, John Greacen, Leonard Jacob, Mrs. Eldridge and others. The eastern part, except a small portion in the rear sold to Mrs. E. V. Rushmore, is still held by the children of Bishop de Lancey, the extreme south-eastern part being the country seat of Edward F. de Lancey.
Martha Heathcote, the second surviving daughter of Col. Caleb Heathcote, married Lewis Johnson of Perth Amboy.b In the year 177 1, the above Martha, conveyed all her right and title to her husband.
There is a deed recorded in the town books, between Anne de Lancey daughter of Col. Caleb Heathcote, widow of the Hon. James de Lancey, deceased, and Lewis Johnston of Perth Amboy, physician of the one part, and William Sutton of Mamaroneck, on the other part.
In the presence of John Johnston and Susannah de Lancey.
John Johnston, the eldest son and heir at law of Lewis Johnston and Martha Heathcote. died in 1782, leaving issue by his wife Margaret Barbaric, five sons and two daughters. Heathcote the third son, was the father of Susannah Snowhill Ward, wife of the Rev. John M. Ward, the late Rector of the Parish of St. Thomas.
In the town clerk's office is a small manuscript volume entitled :
« In tbe Spring <>f 1S47, when Bishop do Lancey was in New York, a package was handed to the servant at the door, on opening which the Bishop found an anonymous letter directed to him. Tlii- writer stated that being in England thirty or forty years ago, hr round some papers relating to the de Lancey family among some waste paper in the house where he was Btayiug; that he had preserved them, anil seeing by the newspapers that the liishop was in the city, he now enclosed them to him. 'I hese tip- liishop found to be : first, the commission of James de Lancey as Lieutenant -Governor of the Colony; second his commission as Chief Justiceof the Colony; third, the freedom of th-t'ityof New York voted to l.'so oytbe Corporation of the city in 1730; fourth, a map of lands owned by them on New iork island, prepared by the Bishop's grand-father, and a f ew letters.