Bilitzer von Bilitz (also Bielitzer von Bielitz, , ) is a Silesian noble family domiciled in Prudnik Poland.
Due to the eventful history of Silesia, their roots last from the Habsburg monarchy and House of Hohenzollern.
History.
The family came from the Duchy of Opole. The first known representative of the family, Mathias Bilitzer, was mentioned in the Urbarium from 1534. In the 16th and 17th centuries, the Bilitzers were based in Prudnik, Brzeg and Namysłów. On 3. April 1607 Matthias Bilitzer (1550–1616) was elevated to the nobility by Rudolf II, Count of Habsburg. They were given their family coat of arms was given to them in 1607.