Served in artillery and cavalry, C.S.A. Chief of ordnance under General John B. Magruder in Virginia, chief of artillery and ordnance under General Richard Taylor in Louisiana, 1862-1864. Colonel artillery, April 17, 1864.
Brigadier general C.S.A., October 1864. Commanded “Brent’s Cavalry Brigade” (2d, 5th, 7th and 8th Louisiana) cavalry. Commanded front lines extending from Arkansas line to Gulf (including forts on Red river) at time of General E. Kirby Smith’s surrender.
Commanded wooden gunboats which captured United States ironclad Indianola on Mississippi river in February 1863. After war practiced law in Baltimore until 1870, then engaged in farming and sugar planting until 1889, retired.