As indicated by the caption, this is another image of Katherine Mackay (Katherine Alexandra Duer (US1797spouse1)) taken circa 1905 with her two daughters Katherine Duer "Kay" Mackay (US1797a) and Ellin Mackay (US1797b).
The caption accompanying this photograph reads:
Circa 1905: Katherine Mackay with her daughters, Ellin and Katherine. Photographed in Katherine's sitting room. The dais on which Katherine's chaise lounge, bed have been banished, but not her ermine robe.
See Harbor Hill, Clarence Hungerford Mackay's Mansion.
