Answer

According to Jain tradition, Bhadrabahu Swami’s brother was Varāhamihira.

Explanation

Bhadrabahu Swami is remembered as a great Jain Acharya and Shrutakevali. Jain traditional accounts mention that his brother, Varāhamihira, became associated with non-Jain learning and astrology.

Takeaway

Bhadrabahu Swami is especially revered in Jain Dharma for preserving and teaching deep scriptural knowledge, while his brother Varāhamihira is remembered separately in traditional narratives.