Additional data from member contributors
BillionGraves.com record for S. M. Klawera Marta Maćkowska (15 January 1892 - 5 December 1943), BillionGraves Record Ożarów Mazowiecki, Cmentarz w Ołtarzewie, Ożarów Mazowiecki, Powiat Warszawski Zachodni, Masovian Voivodeship, Poland, Europe