Gwendolen Muriel Onslow (born 1883) (b. 1883) Parents William Wallace Rhoderic Onslow Octavia Katherine Knox-Gore Children Siblings Denzil Arthur Willis Richard G. Onslow unknown Onslow William Gore Alanby Onslow Edith Doreen Onslow Ethel Nina Amy Onslow Gladys Harriette Maude Onslow Sir Roger Warin Beaconsfield Onslow, 6th Bt.