My greatx7 grandfather Capt. James Robert Alexander b. 1695 Monokin, Somerset Co. MD married sisters Margaret and Abigail McKnitt in New Munster, Cecil Co. MD. With Margaret McKnitt he fathered 10 children . He had several more children with Abigail, including my greatx6 grandfather, Josiah, b. 3 Aug 1752 New Munster, Cecil Co. MD, who married an Elizabeth, b. abt 1756, Cecil Co. MD, in Mar. 1775. Capt James Alexander died before May 1779 in Cecil Co. MD. Josiah and Elizabeth passed away in Centre Hall, Potter Twp., Center Co. PA 14 Jul 1818 and 22 Nov 1825 respectively. Sounded like a possibility..good luck!