Irena Hrehorowicz's birth name is Irena Sawka.
Irena Hrehorowicz was born on December 27, 1930, in Wilno, Wilenskie, Poland [now Vilnius, Lithuania].
Irena Miliankova's birth name is Irena Milyankova.
Irena Szymanska's birth name is Irena Wiernik.
Irena Horecka's birth name is Irena Hones.
Irena Sendlerowa's birth name is Irena Stanislawa Krzyzanowska.
Irena Angeloutsa's birth name is Irina Angueloutsa.
Irena Horwath's birth name is Wladyslawa Zofia Kurzyjamska.
Irina Gritskova's birth name is Irena Ginzburg.
Marysia Niewola's birth name is Maria Irena Niewola.
Margaret Bykoff's birth name is Malgorzata Irena Bykoff.
Joanna Chmielewska's birth name is Irena Barbara Becker.
Lisa Montell's birth name is Irena Ludmilla Vladimirovna Augustinovich.