Click to expand/collapse all other details

Male Isaac Duncan Click to view Isaac Duncan in the family tree

Isaac was born on May 4th, 1809 in ,Miami,OH.1   Isaac's father was Amos (Enos) Duncan and his mother was Elizabeth (Polly) Beale.  His paternal grandparents were Samuel Duncan and Mary Embree. He had a sister named Mary.  He was the older of the two children. He had six half-brothers and two half-sisters, named John, Samuel, Nelson, Moses, Aaron, Amos, Sarah and Elizabeth.1 

1 1356.ftw
Further sources/citations:
World Family Tree Vol. 2, Ed. 1 @ Tree #1356, 1356.ftw, World Family Tree Vol. 2, Ed. 1 @ Tree #1356