Paul Pogba's older brother, the former Manchester United midfielder, was sentenced to three years in prison, suspended for two years, after being convicted of trying to blackmail the French footballer.
Matias Pogba, who was also fined €20,000 (£16,500), will avoid time behind bars and will instead serve a year with an electronic bracelet.
Five other men were found guilty of extortion and other crimes and received sentences of between four and eight years in a Paris court on Thursday.
Paul Pogba, 31, said he was “tricked by childhood friends” who held him at gunpoint in 2022. and have asked for €13m (£10.8m). He said he paid them €100,000 (£82,600).
Mathias Pogba's lawyer Mbeko Tabula told RMC Sport the sentence was “extremely harsh” and said “I think we will appeal”.
The remaining five defendants received the following sentences: Roushdane K received eight years, Boubacar C four years, two suspended, Adama C five years, Mamadou M five years, 12 months suspended and Machikour K four years, three suspended.
Paul Pogba told Al Jazeera last year that he did he considered retiring from football because of the blackmail attempt.
“When there's money, you've got to be careful,” he said. “Money changes people. It can break a family. It can create war.”
Former professional footballer Mathias Pogba has played for clubs including Partick Thistle, Wrexham, Crewe Alexandra and Crawley Town. His last club was Belfort in France, leaving them in 2022.