Answer

If you are asking about Jayanti, the brother of Bhagwan Bahubali, then his brother was Bharat Chakravarti.

Explanation

In Jain tradition:

• Bhagwan Rishabhdev was the first Tirthankar.
• His sons included Bharat and Bahubali.
• Bharat Chakravarti was the elder brother of Bahubali.

Takeaway

The most well-known brother relationship in Jain history connected with this story is Bharat and Bahubali, sons of Bhagwan Rishabhdev.