"… Abigail … dau. John & Christian (Andrews) Birchard. Before 2 Aug. 1746 she m. 2nd. Moses Northrop, of Beckmansburg, Dutchess Co., N. Y. …)"
According to the sketch of Moses3 Northrup in Settlers of the Beekman Patent, 9:517, Moses' wife was Abigail, dau. of John and Abigail (Starr) Cornell who apparently survived him - see Miriam Blackman (16877) & Joseph Northrup. They had a daughter Abigail who married a Calkins.