Bee Gees' Maurice Gibb Dies At 53. Bee Gees principal Maurice Gibb died early this morning (Jan. 12) at a Miami Beach hospital, his family said. He was 53. Gibb, who joined with his older brother Barry and his twin Robin in one of the. Bee Gees principal Maurice Gibb died early this morning (Jan. 12) at a Miami Beach hospital, his family said.