While a boy he went to live with his maternal grandfather, and was adopted by him, and assuming the family name, has ever since borne the name of Isaac M. Dyckman. Two of his grandfather's brothers, Abraham and Michael, were soldiei-s in the Revolution and one of them was killed in the war. Their perfect knowledge of the localities on both sides of Harlem River rendered them especially valuable as guides, and their services were in frequent demand.

Jacobus Dyckman died in August, 1832, and his estate descended to his two sons, Michael and Isaac, both of whom died unmarried, and a large portion of the property came into the possession of their nephew. The ancient Dyckman homestead, which existed before the Revolution, stood near Harlem River, close by the foot of Two Hundred and Ninth Street. This was burned during the Revolution, and another (now called the Century House) was built on the west side of the King's Bridge road, or Broadway, near the twelfth mile stone. It was here that Jacobus Dyckman lived and died. The house is still standing, and is now owned by Benjamin P. Fairchild. It is at the northwest corner of King's Bridge road and

1 See sketch of laaac 31. Dyckman.

BRIDGE. 765

Hawthorn Street. On a portion of this estate Mr. Dyckman has ever made his home, and built his present elegant residence in 1874. During the early part of his life, before the growth of New York City had reached the vicinity of Harlem River, he cultivated this tract as a farm, but the advancement of the city I has made it far too valuable for that purpose, and he finds his time fully occupied in looking after his extensive real estate. In politics he has always been identified with the Democratic party, as were his ancestors; and in religion he is connected with the Presbyterian Church.