" The son of former President Zachary Taylor, he was educated in Europe, then at Harvard and Yale. Taylor was also the former brother-in-law of future Confederate President Jefferson Davis, and a powerful planter and Louisiana state senator. He joined the Confederacy and , with almost no previous military experience, took command of the 9th Louisiana Infantry Regiment in July of 1861. Proving himself an able combat commander, he was promoted to brigadier general on October 21, 1861, major general on July 28, 1862 and lieutenant general to rank from April 8, 1864. He served in Virginia, Mississippi and Louisiana, and is remembered for his victory over Maj. Gen. Nathaniel P. Banks at Mansfield, Louisiana and his successes in the Red River "
From History Centeral