Lady Mary Jones Peerage person ID=160587 (1610–1673) Parents Roger Jones, 1st Viscount Ranelagh Frances Moore Children Arthur Chichester, 2nd Earl of Donegall John Chichester Margaret Copley unknown daughter Chichester Elizabeth Chichester unknown daughter Chichester Siblings Thomas Jones Margaret Clotworthy Arthur Jones, 2nd Viscount Ranelagh Partners John Chichester Christopher Copley