Joseph Travers was the middle child of Vincent Travers and cousin of Anne Travers.
By the 2000s he had a granddaughter called Reisha Travers, who became friends with both Hobo Kostinen and Lucy Wilson (PROSE: The Children of January) and, in another reality, ended up becoming the girlfriend of Hobo's alternative self, George Kostinen (PROSE: The George Kostinen Mystery).