A. Spain Summerlin, Alamo defender, son of Thomas and Susan Summerlin, was born in Tennessee in 1817. He immigrated to Texas from Arkansas with his parents and settled in Nacogdoches. He volunteered for the revolutionary army on October 17, 1835, and took part in the siege of Bexar. He later served in the Alamo garrison as a member of Capt. Robert White's infantry company, the Bexar Guards. Summerlin died in the battle of the Alamo on March 6, 1836.