Named for a mythical hero Přemysl, called Ploughman. He married princess Libuše, and they became the mythical founders of the royal dynasty of the Přemyslids, ruling over Bohemia until 1306. Bohemian kings Přemysl Otakar I (?-1230) and Přemysl Otakar II (?-1278) are considered the most reputable members of this dynasty. Name suggested by J. Ticha, M. Tichy and Z. Moravec.