Complex sentence: Frank DeSimone's nephew, Tommy DeSimone, was a hitman for the Luchese crime family and was the inspiration for Joe Pesci's character in the 1990 film "Goodfellas", and another nephew, Tom Louis Dragna, was also Jack Dragna's nephew.
Split into simpler sentences: Frank DeSimone's nephew, Tommy DeSimone, was a hitman for the Luchese crime family and was the inspiration for Joe Pesci's character in the 1990 film "Goodfellas". Another of DeSimone's nephews, Tom Louis Dragna, was also Jack Dragna's nephew.