John Somerville, 3rd Lord Somerville Scottish nobleman and soldier, died 1491 (d. 1491) Parents William Somerville, 2nd Lord Somerville Janet Mowat Children Helen Somerville William Somerville, Master of Somerville Mary Somerville Elizabeth Somerville Sir John Somerville, 1st of Cambusnethan Siblings Janet Somerville Mary Somerville Jean|Janet Somerville Thomas Somerville of Plane Partners Mariota Baillie Helen Hepburn