The youngest of the four Bielski brothers, he is the only one still living (Asael died in 1945, Tuvia in 1987, and Alexander ["Zus"] in 1995).

[1] The Bielski family were farmers in Stankiewicze near Navahrudak in present-day Belarus, an area that at the beginning of the Second World War belonged to the Second Polish Republic.

Nechama Tec, who wrote a book about them, had the following to say about Aron: "Occasionally in the forest he acted as a guide.

Those I spoke to agree that his participation and impact on the life of the Bielski otriad [a partisan detachment] was minimal, almost nonexistent.

[5] In 2007, Bielski and his wife Henryka were charged with exploitation of the elderly, theft, and scheming to defraud after they convinced a Polish Catholic neighbor in Florida, Janina Zaniewska, to give them power of attorney before taking her to Poland and depositing her in a nursing home.