I have found son George's death entry in the OPR which confirm his parents as this couple.
Parent:
His parent is not known.
Relationships:
Spouse Janet Cumming. They married 18 June 1767 in the parish of Foveran.
Children were:
- George born 1764 christened 18 June 1764 in the parish of Foveran
- William [W6] born 1771 christened 4 August 1771 in the parish of Old Machar - died 4 January 1864 at Mill of Thornton in the parish of Bourtie. Had a relationship with Elisabeth Robertson