Identity:
She was the daughter of Whistler's older half-brother George, and sister of Thomas D. Whistler and Julia Revillon. Whistler attended her marriage to R. R. Winans; her sisters-in-law were Mrs Joseph S. Whistler and Mrs Ross W. Whistler.
Life:
She was at JW's funeral (the paper called her 'Vera').
Bibliography:
Morning Post, London, 23 July 1903.