During a battle around the turn of the eleventh century, enemy forces rushed towards King Boleslaw I The Brave of Poland.

For his courage, the knight received a shield from the King exhibiting two broken swords and a crescent moon.

The house name Trzaska (root word Polish: "trzaskać".

"Azure, two swords Argent in pale hilted and pommeled Or, conjoined at the blade's midpoint and debruised of a crescent at a fess point, also Or.

For a crest, a panache of peacock plumes, all proper, charged with the arms of the shield.