Helen Augusta Hertz (1854–1879)
Helen Augusta Macdonell (1880–1914)
Daughter of the educationalist and social reformer Fanny Hertz. Married George Paul Macdonell on 10 January 1880.
BMD (Birth index, Death index)
London, England, Church of England marriages and banns, 1754–1932 (Ancestry.com, accessed 15 January 2018)
ODNB s.v. Hertz, Fanny