This image shows Katherine Alexandra Duer Mackay (US1797spouse1) with two of her two children, Ellin Mackay (US1797b) and John William Mackay (US3405) during 1909.
Another photograph of them taken at the same time and place can be seen by clicking here.
The caption accompanying this photograph reads:
1909: Heirs in ermine. Ellin, Katherine and John William Mackay
See Harbor Hill, Clarence Hungerford Mackay's Mansion.
