John Chichester (1700-1746) (1700–1746) Parents Arthur Chichester, 3rd Earl of Donegall Lady Catherine Forbes Children John Chichester Arthur Chichester, 1st Marquess of Donegall Siblings Lady Anne Chichester Lady Jane Chichester Lady Katherine Chichester Lady Frances Chichester Lady Mary Chichester Lady Henrietta Chichester Arthur Chichester, 4th Earl of Donegall Partners Elizabeth Newdigate