The son of Purukutsa was Trasaddasyu, who was the father of Anaraṇya. Anaraṇya’s son was Haryaśva, the father of Prāruṇa. Prāruṇa was the father of Tribandhana.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
त्रसद्दस्युः पौरुकुत्सो योऽनरण्यस्य देहकृत् । हर्यश्वस्तत्सुतस्तस्मादरुणोऽथ त्रिबन्धनः
trasaddasyuḥ paurukutso yo'naraṇyasya dehakṛt | haryaśvastatsutastasmādaruṇo'tha tribandhanaḥ
SB 9.7.4