I have found their daughter, Phebe Ennis Probasco, b. 29 Jan 1816 d. 26 Oct 1892 buried The Irondale Cemetery in Dutchess Co. NY. (Source: Burying Grounds of Sharon, Connecticut, Amenia and North East, New York (1903))
Phebe married Henry P Chadwick b. 8 April 1817 d. 16 Feb 1903. They had 2 daughters Dora Chadwick (Samuel W) Sherman and Sylvia Chadwick (Henry H) Mills.
The family is in Wayne Co and then Dutchess Co NY censuses.
The probate document for Christian's will lists his children, but I hadn't been able to read Phebe's name until the other day when I took another look at it and read "Chadwick."
I'm still working on Christian's children with his second wife Julia.
Carol B. in Syracuse, NY