The legendary musician who founded The Allman Brothers Band died at his home in Savannah, Georgia, he was 69.brCher Reacts to Gregg Allmans Death: Words Are ImpossiblebrGregg Allman of the Allman Brothers Band has died at 69. Heres a look back at his career and some of the bands greatest hits.brGregg Allman passed away on Saturday, May, 27, 2017. A founding member of The Allman Brothers Band, the 69-year-old musician had battled liver cancer .brGregg Allman left behind five children with different mothers (including legend Cher), and four of his children are musicians, including Elijah Blue and Devon .