You can see his mother (aka "Arrangement in Grey and Black No. 1")
[DOC] [TLE] Whistler, Anna Mathilda McNeill | NCpedia [PAR] You are here ... See also: Whistler's Mother; William Gibbs McNeill, brother ... by 
John McNeill Whister, Arrangement in Grey and Black No.1, aka Whistler's 
Mother.