They had two boys, William and James. William was born 28 Sep 1787 in Turriff, Aberdeen, Scotland. GS Film number: (993304)
James was born 18 December 1792 in Turriff. (GS Film number: 993304)
John and Elspet's marriage certificate:
James' birth certificate: (second entry) Massie is written Mafsie. The f is a notation to show a double s.