Robert and Mary were married. They had a son named John.
Family Notes
Robert Stephen, a man of Huguenot descent. This was a runaway marriage as the Bruces refused to be reconciled to Mary and her husband. (from: [This is a verbatim transcript prepared by Robert John Usher-Somers, son of Muriel Isabel Irene Usher-Somers, of a genealogical research carried out by Helen Stephen Cowie in 1960. Comments in square brackets [ ] are those of Robert John Usher-Somers - December 1995]