sentences:  Pierre Van Cortlandt, Jr. was born on August 29, 1762 at Van Cortlandt Manor in Croton, Westchester County.His parents were Pierre Van Cortlandt (1725–1819) and Joanna Livingston (1722–1808), daughter of Gilbert Livingston, a son of colonial official Robert Livingston the Elder.His great-grandfather was Stephanus Van Cortlandt, the first native-born Mayor of New York City, and his family were the patroons of Van Cortlandt Manor.