This is what I came across this on myheritage.com for George walker wife
Grizel HAMILTON
b May 20 1748 Inveresk, Midlothian, Scotland
Christening: May 22 1748 Inveresk With Musselburgh, Midlothian, Scotland
Death:
May 1819
Inversk with Musselburgh,Lothian,Scotland
Mother: Martha Sterling
Spouse - George Walker
George WALKER
Children:
William WALKER
Grisel INNES (born WALKER)
George Walker
Robert Walker
Alexander Walker
Helen Walker