New information indicates that Jacob MUCK most probably was married only once.This is what I now have --
Jacob MUCK, b. Feb. 12, 1804 (or 1805), Washington Co., MD, d. Sept. 7, 1881, Shelby Co., IN, md. Mary Magdaline "Polly" GETTER, Jan. 14, 1830, Montgomery Co., OH.
Jacob was a son of John MUCK or MOCK and Margaret Rebecca SMITH or SCHMIDT. Mary was a dau. of John GETTER and Mary M. "Polly" LAMBERT. Their children were Lewis, William, Margaret H., Mary Ann, Jacob, Eliza, Emanuel, and Lavina. Corrections and/or additions gratefully welcomed.