area overlapped the region presumed by mainstream scholarship to be the Proto-Indo-European homeland in the general region of the Pontic–Caspian steppe. In the framework of the Kurgan hypothesis, "the Indo-Europeans who remained after the migrations became speakers of Balto-Slavic". The most well-known version of the legend is seen to be somewhat Polonocentric, as it mentions a national symbol (the white eagle) only for Lech and the Polish nation, while relegating the two other brothers Czech and Rus' to secondary characters. Furthermore, this particular version does not address the origin of the South Slavic peoples. The legend also attempts to explain the etymology of the ethnonyms: Lechia (another name for Poland including Silesia), the Czech lands (including Bohemia, Moravia, and also Silesia), and Rus'. Jan Kochanowski, a prominent Renaissance Polish man of letters, in his essay on the origin of the Slavs, makes no mention of the third "brother", Rus'. Moreover, he dismisses the legend entirely, stating that "no historian who has taken up the subject of the Slavic nation [...] mentions any of those two Slavic leaders, Lech and Czech". He goes on to assume that "Czechy" and "Lechy" are quite probably the original names for the two nations, although he does not dismiss the possibility that there might have been a great leader by the name Lech whose name replaced the original and later forgotten name for the Polish nation. Legacy Oaks of Rogalin Three large oaks in the garden adjacent to the 18th-century palace in Rogalin, Greater Poland, are named after the brothers (Lech, Czech i Rus'), and are several hundred years old. They vary between in circumference. They are part of the Rogalin Landscape Park, and together with others they have been declared nature monuments and placed under protection. See also Kyi, Shchek and Khoryv, three brothers who are the legendary founders of Kyiv Jonakr's sons Romulus and Remus, two brothers in the founding myth of Rome List of national founders References Legendary Polish monarchs History of the Rus' people Origin myths Mythological city founders Founding monarchs Polish legends Russian legends Czech legends West Slavic history Sibling trios Legendary progenitors