Two Boston brothers were each sentenced on Monday to serve three years and a day in state prison for their role in attempting to defraud a Boston Marathon victims’ charity out of over $2 million.

Branden Mattier, 23, and Domunique Grice, 28, both of the South End, were found guilty earlier this month for filing a false claim with One Fund Boston on behalf of their aunt, Onevia Bradley. Bradley has been dead for more than a decade.

In addition to the prison time, Suffolk Superior Court Judge Jeffrey Locke ruled that both brothers serve three years of probation upon their release as well as 468 hours of community service working with individuals who have suffered lost limbs or brain injuries.

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Mattier and Grice claimed their aunt lost both legs in the Boston Marathon bombings when they learned that they could possibly get more money than just claiming one leg was lost.

State Attorney General Martha Coakley reacted to the sentencing by calling the scam “callous.”

“They will now serve time in state prison, and will also be required to help people faced with the same types of challenges and injuries suffered by many of the victims of the bombings,” Coakley said.

Mattier was arrested in July after a state trooper presented him with a fake check, which prosecutors allege was going to be used to buy a new Mercedes-Benz.