Jadvyga and Mikolas are an immigrant couple who are friends with Jurgis and Ona. Their tragic story of mistreatment by the factory system foreshadows the misfortunes Jurgis and Ona will experience. When Ona is held overnight by Phil Connor and unable to return home, she claims to have stayed at Jadvyga's as an alibi so as to avoid driving Jurgis to fury.
The timeline below shows where the character Jadvyga and Mikolas appears in The Jungle. The colored dots and icons indicate which themes are associated with that appearance.