Lady Mary Kerr

(died 1791) (d. 1791)

Parents

• Elizabeth Fortescue
• William Kerr, 5th Marquess of Lothian

Children

• Robert William St. John

Siblings

• Lady Elizabeth Kerr
• Lord Charles Beauchamp Kerr
• Lady Louise Kerr
• Lord Robert Kerr
• Lord Mark Kerr
• William Kerr, 6th Marquess of Lothian

Partners

• Frederick St John