Irène Marie Merandon du Plessis (died 2008) (d. 2008) Parents René Merandon du Plessis Children Michael Dillon Charles Dillon, 21st Viscount Dillon of Costello-Gallin Isabel Dillon Patrick Dillon Madeleine Marie Dillon Richard Dillon Rosaleen Dillon Inés Dillon Partners Michael Eric Dillon, 20th Viscount Dillon of Costello-Gallin