Caroline Egerton was born on 6 May 1852 in Wing, Rutland. Her maiden name was Boys, she married Charles Cadwaller Egerton in September 1871. They had children, Edith Mary, Justin Reginald, Hubert Wingfield, Muriel Virginia and Olive. Her husband died on 25 January 1907. She was then living with her long time friend Fanny Elizabeth Manley at Ivywood, Redenhall nr Harleston in Norfolk.