co-brother

“The other five offenders include Mohd Rahman alias Babbu and Mohd Imran, both brothers-in-law of Maruti Nayeem, Mohd Shahbaz alias Rahil, who is the car-lifting offender's co-brother, Mohd Yusuf and Imran Khan, who were helping him in the offences.”

The Times of India

“He was found at the house of his co-brother Abdul Sattar in the outskirts of A manhunt was launch for Jabbar after the security agencies learnt that Jabbar was also present during the encounter but managed to escape with an injury.”

rediff.com