Romeo Beckham will stay at Brentford for another year and continue playing for their B team.
The 20-year-old has agreed to sign for them on a permanent one-year deal from Inter Miami.
The Bees are expected to pay nominal compensation.
Beckham joined the club on a six-month loan in January and played a part in them winning the Premier League Cup.
He has recently been pictured in LA after the season finished and he is expected to return to pre-season training with Brentford B later in the summer.
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