Aleksandra was born in Suwałki, in the Suwałki Governorate, Russian Empire (now in Poland), and was the seventh child of Piotr Paweł and Julia Jadwiga (née Zahorska).
Aleksandra's early life began in Suwałki, a region then under the control of the Russian Empire (now part of Poland), where she was the seventh among her siblings, born to parents Piotr Paweł and Julia Jadwiga.