Cornelius Van Siclen was also known as Coert Cornelius Van Sicklen. He was also known as Cornelius Van Sickelen. Cornelius Van Siclen was born on 24 January 1725/26 at Gravesend, Kings County, New York. He was the son of
Fernandus Van Sycklen and
Mary Lane. Cornelius Van Siclen married
Femmetje Vanderveer, daughter of
Hendrick Vanderveer and
Antje Van Siclen, on 11 September 1751. He resided in Dutchess County, NY and owned a large tract at Wrapping Creek. Cornelius Van Siclen married
Catherine Johnson on 11 June 1771 at New York City, New York County, New York. Cornelius Van Siclen died in January 1806 at Rombout, Dutchess County, New York. He died in January 1806 at Rumbout-Clinton Twp., Dutchess County, New York.