Nicola sacco and bartolomeo vanzetti were charged with and convicted of

Robbery and murder, is the right answer.

Explanation:

Nicola Sacco and Bartolomeo Vanzetti were the two migrants insurgents from Italy who were sentenced of assassinating a security guard and a cashier in the armed robbery that took place on 15th April 1920 at a shoe firm in Braintree, Massachusetts. Around seven years later they both were electrocuted in the electronic chair at the State Prison of Charlestown. After consultation of a few hours, the jury on 14th July 1921 sentenced Sacco and Vanzetti of first-degree crime and they were convicted to death by the trial magistrate.

your mothers brothers brother in law would be your father.