He came from a family that had long been active in the government and military .
The only son of Henry and Cora Gibbes , Robert Henry Maxwell ( Bobby ) Gibbes was born on 6 May 1916 in Young , New South Wales .
Bobby ) Gibbes came from a family that had long been active in the government and military .
The only son of Henry and Cora Gibbes , Robert Henry Maxwell ( Bobby ) Gibbes was born on 6 May 1916 in Young , New South Wales .