Here is one possible scenario as found in my own family. My paternal grandfather died when my father was barely a year old. My grandmother remarried a widower who was the father of several teenage children. So perhaps the lady in question is the child from a first marriage of Aron or Malka.
As to the seemingly short hair. perhaps it is pulled back into a bun, then a style not uncommon.
Nina Tobias
Scottsdale, AZ
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Nina Tobias
Scottsdale, Arizona
Researching: HOROWITZ (Iasi, Romania; Odessa)
SWARTZ (Iasi, Romania; Philadelphia; Chicago)
TOBIAS (Rymanow, Galicia; Chicago)
, VOROBYEV, GOLDMAN, VERB (Russia; Chicago)