Complex sentence: Joseph Amato (d. March 28,1927) was a Milwaukee organized crime figure, succeeding Peter Guardalabene as head of the Milwaukee family in 1924, and ruled over the city's underworld until his death from natural causes on March 28,1927.
Split into simpler sentences: Joseph Amato (d. March 28,1927) was a Milwaukee organized crime figure. Amato ruled over the city's underworld until his death from natural causes on March 28,1927.