Male William Knapp Click to view William Knapp in the family tree

William was born on September 23rd, 1751 in Connecticut.1   He died at the age of 65 on June 12th, 1817 in New York.1 

Family Details of William's family with Catherine Swartout

Family Details of William's family with Mary Holly

1 3466.ftw
Further sources/citations:
World Family Tree Vol. 2, Ed. 1 @ Tree #3466, 3466.ftw, World Family Tree Vol. 2, Ed. 1 @ Tree #3466