Hynce Ptáček of Pirkštejn came from a side line of the noble z Lipé family [cs].

After Sigismund's death in 1437 he and George of Poděbrady, his protégé and future provincial administrator and King of Bohemia, joined the influential group of nobles who boycotted the election of Sigismund's son-in-law Albert II to King of Bohemia.

In 1440, Hynce Ptáček of Pirkštejn along with other nobles founded the regional Landfrieden alliance, to maintain the peace.

Hynce Ptáček of Pirkstein died on 27 August 1444[6] and was buried in the St. Matthew's Church in Rataje nad Sázavou.

[7] With Anna, he had a daughter, Margaret of Pirkštejn, who married in 1463 Victor, Duke of Münsterberg, the second son of George of Poděbrady.