Isaac P. Rodman
Isaac Peace Rodman was a Rhode Island banker and politician, and a Union Army brigadier general in the American Civil War, mortally wounded at the Battle of Antietam.
Isaac P. Rodman was born in South Kingstown, Rhode Island the son of Samuel Rodman and Mary Peckham. He was married to Sally Lyman Arnold, daughter of Rhode Island Governor Lemuel Hastings Arnold. His brotherinlaw was future Civil War general Richard Arnold.
Source: Wikipedia