Jemima SOPER and Abigail SOPER were indeed sisters;
Father was SAMUEL Soper of Bennington Vermont probably the brother of Pelatiah Soper there was a sister Jemima b ca 1730 also
Daniel LOGAN b 21 NOV 1762 son of JOHN and Azubah Logan
married ABIGAIL Soper
this is a VERY tough family to find
HUGH LOGAN b 11 AUG 1762 m JEMIMA SOPER was son of ROBERT Logan,12 JUL 1739 a brother of above John m to Azubah