Essex Mostyn

(died 1764) (d. 1764)

Parents

• Sir Roger Mostyn, 3rd Baronet
• Essex Finch

Children

• John Ker, 3rd Duke of Roxburghe
• Lady Mary Ker
• Lord Robert Ker
• Lady Essex Ker

Siblings

• Daniel Mostyn
• John Mostyn
• Thomas Mostyn

Partners

• Robert Ker, 2nd Duke of Roxburghe