|Father||Field Marshall Herbert Charles Onslow PLUMER GCB, GCMG, GCVO, GBE (1857 – 1932)|
|Mother||Annie Constance GOSS OBE (1858 – 1941)|
Eleanor Mary Plumer was a Tutor at King's College in 1919; became Warden of the Mary Ward Settlement in 1924; was Warden of St Andrew's Hall, Reading from 1927 to 1931 and later, Principal of St Anne's College, Oxford from 1940 to 1953.
|1932||Death of father Field Marshall Herbert Charles Onslow PLUMER GCB, GCMG, GCVO, GBE|
|1941||Death of mother Annie Constance GOSS OBE|