Mervyn Patrick Wingfield, 9th Viscount Powerscourt Irish Viscount (1905-1973) (1905–1973) Parents Sybil Pleydell-Bouverie Mervyn Wingfield, 8th Viscount Powerscourt Children Grania Langrishe Guy Claude Patrick Wingfield Mervyn Wingfield, 10th Viscount Powerscourt Siblings Doreen Julia Wingfield Bryan Edward Wingfield Partners Sheila Wingfield