Dear Sharon, We're related! Nelson was my ggggrandfather.
My info differs a bit from yours (comes from the family Bible of his son Theophilus Leonard CRAWFORD.
Here's what I have:-
Nelson, born ab. 1805 Truxton,Cortland Co. NY, died ab. 1879, Lindley, Steuben Co. NY. Married Keziah CALDER, b. ab. 1818, Hector, Schuyler Co, NY,d. ab 1899 or 1900 Caton, Steuben Co. NY.(buried Lindley NY).
Nelson's parents:Alexander CRAWFORD, and Elizabeth MCCOY(all I have about them is that Alexander died in Truxton NY.
Nelson & Keziah's children: Elizabeth (married Hamblin), Theophilus Leonard, Minnie (married Snyder), Eugene, Adelbert, William, Aden, Hattie (?)
Please e-mail me with your info, Jean Neuer firstname.lastname@example.org