rendered as Hynek or Hyncík, and the family name may be rendered as Pirkstein, Pirkenstein, Birkenstein, Pürkstein or Bürgstein. "Hynek Ptáček z Pirkenštejna"...

of her wittum. Hynek accompanied her on the route from Kladsko to Hradec Králové, where she was received by Hynek Ptáček of Pirkstein, and other Bohemian...

including Menhart, George of Poděbrady, Oldřich II of Rožmberk and Hynek Ptáček of Pirkstein offered the Bohemian crown to Duke Albert III of Bavaria, who...

nothing but the ocean could stop the Hussites. The Prussian historian Heinrich von Treitschke later wrote that they had "greeted the sea with a wild Czech song...