Ethel Tweedie was born 1 January 1862 in London, the daughter of George Harley F.R.S. and Emma Jessier (Musprat) Harley, into an early life of wealth and privilege. _Her_ siblings included a sister (Olga) and three brothers (Edward Vaughan Berkeley Harley, Vernon De V. and Harold S.), She was named by her father for a famous relative, Lady Brilliana Harley (wife of Sir Robert Harley of Brampton Bryan). <sep>, Pronoun: Her <sep>, A: Ethel Tweedie <sep>, B: Emma Jessier