On 5 Oct 1759 when Casparus was 20, he married
Sara Schutt (27230) , daughter of
Johannes Schutt (ca 1699-) &
Sara Kool (10952) (ca 1705-Sep 1796).
Born ca 1739 in Columbia County, New York. Sara was baptized on 24 Jan 1739. Sara died in Columbia County, New York on 26 Sep 1773.
Casparus and Sara were first cousins; his father and her mother were siblings.