Mary Clotworthy (died 1686) (1634–1686) Parents John Clotworthy, 1st Viscount Massereene Margaret Clotworthy Children Clotworthy Skeffington, 3rd Viscount Massereene Margaret Skeffington Mary Skeffington Siblings Lettice Clotworthy Partners John Skeffington, 2nd Viscount Massereene