What does PIOTROWSKI stand for? 

Piotrowski

Piotrowski (Polish pronunciation: [pjɔˈtrɔvski]; feminine: Piotrowska, plural: Piotrowscy) is a Polish surname derived from the masculine given name Piotr (Peter). The name, and its variations indicate a family's origin as being from a town, such as for instance Piotrów and Piotrowo, or a toponym (place name) deriving from a holding, manor or estate. Variants and related names include Piotrowicz, Piotrowiak, Piotrowsky, Pietrowski, Pietrkowski, Pietrowsky, and Pietrowiak. This surname is mainly found in Poland and Russia and the former territories of the Polish-Lithuanian Commonwealth. It is particularly widespread in Poland, where it is the 19th most common surname, with 61,844 bearers in 2009. Descendants of certain noble families, including that of a minor Tatar Knyaz, also bear the name or variations thereof. Comital and baronial branches exist as well. The earliest recorded usage of the surname can be traced back to the 11th century.

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