In May 1704, Kiliaen received a new patent from Queen Anne for the Manor of Rensselaerwyck.
The following month he signed over the 60,000 acre Lower Manor (Claverack) to his younger brother, Hendrick van Rensselaer (1667–1740).
He was a member of the New York governor's council from 1704 to his death in 1719, and also served as Commissioner of Indian Affairs.
On October 15, 1701, he married Maria Van Cortlandt, daughter of Stephanus and Gertrude (Schuyler) and had the following children: The family lived at the Manor House located on the flats along the Hudson, east of the river road, about a mile north of the center of the city of Albany.
[3] He was succeeded as Lord of the Manor by his son, Jeremias van Rensselaer.