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Lwowska Galeria Sztuki Jan Alojzy Matejko Portrait of the Artist's Children. Portrait of the Artist's Children From left to right Jerzy Tadeusz Helena Unierzyska Beata Kirchmayer Portret dzieci artysty Oil on wood cm Lviv National Art Gallery Own photo by Lestat Jan Mehlich Creator Jan Matejko Lestat Jan Mehlich put it