We know Uddhava is a dear associate of Krishna in Dwaraka. Who are the parents of Uddhava? Or atleast can we conclusively say that he belongs to Yadu dynasty? If he belonged to Yadu Dynasty, why didn't he die unlike other members of the dynasty because of the sage's curse?
Can we conclusively say that he belongs to Yadu dynasty?
Yes, he belonged to Vṛṣṇi dynasty (subclan of Yadu dynasty), same as Krishna's dynasty. This is described in SB 10.46.1. The commentary says:
Śrī Hari-vaṁśa states that Uddhava is the son of Vasudeva’s brother Devabhāga: uddhavo devabhāgasya mahā-bhāgaḥ suto ’bhavat. In other words, he is a cousin-brother of Śrī Kṛṣṇa.
If he belonged to Yadu Dynasty, why didn't he die unlike other members of the dynasty because of the sage's curse?
As discussed in this post, all the members of Yadu dynasty didn't die:
- The women, children and old men survived.
- Also, the people who were not in Prabhash region survived: Krishna's great grand son Vajra (the son of Aniruddha), who was in Mathura survived.
As mentioned in SB 11.30, Uddhava left for Badarikāśrama before the incident. Also, he was cousin of Krishna (whose age believed to be around 120 years at the time of that incident), his age must have been of an old man.