Andrew Tate and his brother Tristan will remain in custody until February 27 after a Romanian court extended their custody.
The couple are being investigated for allegations of sexual assault and exploitation.
A judge ruled they should remain in jail for a further 30 days while police investigate.
The self-proclaimed misogynist was arrested in Bucharest on December 29 for membership in an organized criminal group, human trafficking and rape.
His brother Tristan and two Romanian women were also taken into custody. All deny the charges.
Ramona Bolla, spokeswoman for Romania’s organized crime agency DIICOT, said prosecutors requested a second 30-day extension on Thursday to keep the four in custody while investigations continue.
That request was granted on Friday, she said.
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Prosecutors said that Tate brothers recruited their victims by seducing them and falsely claiming to want a relationship.
Last week, the Romanian authorities seized several luxury cars from Tate’s villa on the outskirts of the capital.
The 36-year-old British-American has 4.4 million Twitter followers and has previously been banned from various prominent social media platforms for expressing misogynistic views and hate speech.
The former Big Brother contestant and kickboxer has reportedly lived in Romania since 2017.
