Father's Name: John Oliver
Mother's Name: Margaret Douglas - I doubt she was a 'Lady'.

Francis Oliver
Gender: Male
Christening Date: 27 Jun 1779,
Christening Place: WILTON, ROXBURGH, SCOTLAND

Isabel Oliver
Gender: Female
Christening Date: 06 Mar 1782
Christening Place: WILTON, ROXBURGH, SCOTLAND

William Oliver
Gender: Male
Christening Place: WILTON, ROXBURGH, SCOTLAND
Birth Date: 06 May 1785
Birthplace: Wilton, Roxburgh, Scotland

And see here: http://www.douglashistory.co.uk/history/families/douglas_of_...