Ancient bohemian male name given only to exceptional humans. Boleslav's usually get all the puss and $$. Name your kid Boleslav and he's halfway won at life.
Notable people named Boleslaus: Boleslaus I, Duke of Bohemia "The Cruel", who murdered his elder brother Wenceslaus I to become king; Boleslaus II, Duke of Bohemia; and Boleslaus Goral, a Polish-American priest