Identity:
Rosamund Haden, sister of the surgeon and etcher Francis Seymour Haden, married John C. Horsley, RA.
Life:
Rosamund Horsley is recorded in the 1881 census as aged sixty, and then living at 1 High Row, London. Haden's wife, Whistler's half-sister Deborah. kept in close contact with 'Rose'.
Bibliography:
UK census 1881, from http://www.familysearch.org (accessed 2004).