Are the Jewish mobsters referenced in 'The Irishman' real?

Are the Jewish mobsters referenced in 'The Irishman' real?

Goodfellas: How The Cast Compares To The Real Gangsters

TIL of Arnold Rothstein, the most powerful of the Jewish gangsters, AKA The Brain. He was strongly believed to have fixed the 1919 World Series, and was the first to import scotch

Jewish mobster 'Lansky' comes to menacing life in clever biopic - St. Louis Jewish Light

TIL there was a Jewish Mafia, involved in such events as fixing the 1919 World Series. : r/todayilearned

Historic Jewish gangsters - Aliyah with a criminal background

The Jewish Light Chanukah 2019 by The Jewish Light - Issuu

The Daily Edition The Times of Israel

How Martin Scorcese Shows Frank Sheeran is a Sociopath in 'The Irishman

Jewish mobster 'Lansky' comes to menacing life in clever biopic