Percy John Vincent MacDermot (1875-1955) (1875–1955) Parents Henrietta Maria Blake Hugh Hyacinth O'Rorke MacDermot Children Miles Hugh Charles MacDermot Brian Charles MacDermot Ann MacDermot Hugh Hyacinth MacDermot Deirdre MacDermot Jill Mary MacDermot Patricia MacDermot Siblings Georgina Priscilla MacDermot Margaret Mary MacDermot Frank MacDermot Henry Blake MacDermot Dermot MacDermot Eileen MacDermot Bernard MacDermot Hugh MacDermot Eva MacDermot Charles Edward MacDermot, The MacDermot, Prince of Coolavin Roderick MacDermot Augusta MacDermot Partners Evleen O'Connor Amy Mary French