Frances Cecil, Countess of Exeter b. 2 December 1630, d. 2 December 1660 (1630–1660) Parents John Manners, 8th Earl of Rutland Frances Montagu Children John Cecil, 5th Earl of Exeter Frances Scudamore, Viscountess Scudamore Siblings Dorothy Ashley-Cooper, Countess of Shaftesbury Elizabeth Annesley, Countess of Anglesey John Manners, 1st Duke of Rutland Lady Anne Manners Margaret Cecil, Countess of Salisbury Lady Grace Manners Partners John Cecil, 4th Earl of Exeter