Mary's Sister Susannah married 12/1/1768 Schraalenburg DRC, Bergen Co., NJSamuel Demaree, son of David Demarest and Catharine Van Houten.They went to Conewago, Straban, Adams County, PA, and then to KY. Susannah died c 1811Shelby County KY
Mary married as her second husband Samuel Demaree as you have it listed. Her first husband was Cornelis Cozine Jr.
Both were the daughters of Daniel A. Brewer and Marie Koning.