This one is your eldest brother, the son of Kunti, gifted with the effulgence of fire. The on of Surya, your eldest brother the foremost of inen even this one was known as the son of Radha.
अयं ते पूर्वजो भ्राता कौन्तेयः पावकद्युतिः। सूतपुत्राग्रजः श्रेष्ठो राधेय इति विश्रुतः॥