Harry Ponsonby Mackenzie (1877-1948) (1877–1948) Parents Harry Maxwell Mackenzie Georgina Caroline Ponsonby Children Kenneth William Mackenzie Alastair John Mackenzie Siblings Margaret Mackenzie Alistair Ponsonby Mackenzie Colin Rae Mackenzie Hector Ian Maxwell Inglis Mary Lilian Kythe Mackenzie Kythé Mackenzie Gladys Georgina Mackenzie Kenneth Gordon Mackenzie Partners Gladys Dalziel Weatherly