Gertrude Lubbock (died 1934) (1863–1934) Parents John Lubbock, 1st Baron Avebury Ellen Frances Hordern Children Siblings Rolfe Arthur Lubbock Constance Mary Lubbock John Lubbock, 2nd Baron Avebury Amy Harriet Lubbock Norman Lubbock Harold Lubbock Irene Lubbock Ursula Lubbock Maurice Lubbock Eric Lubbock