Complex sentence: In the 17th century the affluent Venetian architect Józef Bellotti moved to Warsaw, Poland, where he owned a palace which gave its name, "Muranów"-a Polish pronounciation of "Murano"-to the surrounding district.
Split into simpler sentences: In the 17th century the affluent Venetian architect Józef Bellotti moved to Warsaw, Poland. There, he owned a palace which eventually gave its name- "Muranów", a Polish pronounciation of "Murano"-to the entire surrounding district.