Hanuman's next son was named Purwaganti, who experienced only appeared within the Pandavas era. He was credited with getting Yudhisthira's misplaced heirloom named Kalimasada. Purwaganti was born into a priest's daughter whom Hanoman married, named Purwati. Hanuman lived so very long that he was Fed up with living. Narada https://www.youtube.com/watch?v=6cAOQp6Twlc