Who is Arax (Aroosian) Balakian from Black Dog of Fate: A Memoir and what is their importance?

Peter's mother, Arax Balakian, is one of Nafina's younger children. She was born in the United States after the genocide. Arax knows very little about her mother's role in the genocide because the family does not discuss it. She is described as smart, stylish, and centered on her home.