Thomas Welch 
Thomas was born in 1795.1 Thomas' father was Osias Welch and his mother was Hannah Hynes. His maternal grandparents were William Hynes and Hanna. He had a sister named Sally. He had ten half-brothers and eight half-sisters, named John, Keziah, Jesse, Richard, Jefferson R., George Washington, James A., William Rowland, Benjamine J., Isaac R., Sally, Mary (Polly), Mahala, Malinda, Elizabeth, Charlotte, Hannah and Susannah.1 
1 5974.ftw
Further sources/citations:
World Family Tree Vol. 2, Ed. 1 @ Tree #5974, 5974.ftw, World Family Tree Vol. 2, Ed. 1 @ Tree #5974
Further sources/citations:
World Family Tree Vol. 2, Ed. 1 @ Tree #5974, 5974.ftw, World Family Tree Vol. 2, Ed. 1 @ Tree #5974