He came across a small adobe hut, inhabited by a woman who had recently given birth to twins.
He named her two children Wars and Sawa and gave the woman money to build a bigger house.
[2][3] According to a different version of the legend, Wars and Sawa were a married couple who lived in that house, and who hosted the duke.
[4] According to another version of the legend, Sawa was a mermaid living in the Vistula river with whom a fisherman named Wars fell in love.
[7] In yet another version of the legend, Wars and Sawa were brothers, who were fishermen living near modern Warsaw Old Town.