Mary Georgina Ormsby-Gore (1851-1937) was Lady-in-Waiting to HRH Duchess of Connaught and to HRH Princess Patricia of Connaught. She married in 1878 Colonel Sir Alfred Mordaunt Egerton, KCVO, CB (1843-1908). He was an English soldier and courtier (a descendant of the 2nd Earl of Bridgewater).
They had four sons:
1. Lieutenant Colonel Arthur George Edward Egerton (1879–1915), who was killed in action in the First World War;
2. Captain Louis Edwin William Egerton (1880–1917), an alumnus of Christ Church, Oxford, and an officer in the Royal Buckinghamshire Hussars also
killed in action during the First World War;
3. Major Josslyn Seymour Egerton (1883–1946), sometime Page of Honour to Queen Victoria, and an officer in the British Army;
4. Sir Alfred Charles Glyn Egerton (1886–1959), the chemist.
Mary’s mother Lady Emily Charlotte Ormsby Gore was born Seymour, daughter of Admiral Sir George Francis Seymour. Her father William Richard Ormsby-Gore was 2nd Baron Harlech and MP for County Leitrim.