Looking for the parents of Polly Seaver, also her birth and death dates & places. Polly may be a nickname for Mary. She was married before 1790 to Samuel Caswell, b. 1760. They had children: Zibiah (1790-?) Wilbur (1791-1881), m. Hanna Lewis Samuel (1795-1875), m. Nancy Leonard William (1797-1864), m. Lydia Williams Alexis (1799-1877), m. (1) Ester Thompson, (2) Lizzie Edmonds Alvarus (1799-1892), m. Ann Sampson Mary (1800-?) Nathan (1803-?) Benjamin (1806-?)Alexis and Alvarus were twins.