The article’s goal is to show the role of expatriates from the region of Vilnius in post-war Barczewo and also to capture the worlds saved in human memory – the one that was left behind the eastern border of Poland, the one in former East Prussia and also one that was created in Barczewo’s multicultural mosaic. In the article there are presented the characteristics of people who came from these eastern borderlands. There is also shown the relationship between the indigenous population and the migrant population. The basis of the article is the relations of the Kresowiak family - today’s inhabitants of Barczewo. A few preserved in family archival documents, written relations of people already dead, as well as published biographical studies.