Elijah Blue Allman (born July 10, 1976), known professionally as P. Exeter Blue, is an American musician, the son of singer Cher and her second husband Gregg Allman, and half brother of Chaz Bono, Delilah Allman, Michael Allman, Layla Allman and Devon Allman. Through his mother Cher, Allman is of Armenian, Irish, English, and German ancestry. On December 1, 2013, he married the German singer Marieangela King.