On 29 Oct 1780 when Lucas was 22, he married Helen Van Wagenen (53454) , daughter of Jacobus Van Wagenen (36820) (27 Apr 1725-) & Rachel Van Winkle (36804). Born on 18 Mar 1759 in Acquackanonk, Passaic County, New Jersey. Helen was baptized in Acquackanonk, Passaic County, New Jersey, on 30 Mar 1759.

Helen, also known as Lena, Van Wagenen.