What is the direct paternal/maternal ancestry (parents, grandparents etc) for a Sarah McCOLLUM back to her immigrant ancestors who was b. ca. 1759 in Ulster or Orange Co., N.Y.? She m. a Cornelius VAN DE MARK (bpt. 1755 in Marbletown, Ulster Co., NY) about 1779 and they probably lived in Town of Marbletown, Ulster Co. Her children were Elizabeth, Samuel, Cornelius, and Andrew. Willing to share information. Any help is greatly appreciated!!!