Shiva Purana
रुणको भविता तस्य सुरथस्तत्सुतः स्मृतः ॥ सुमित्रस्तत्सुतो भावी वंशनिष्ठांत एव हि ॥ ४१॥
Runaka will be his son and his son will be Suratha. His future son Sumitra will be the end of the lineage.
english translation
ruNako bhavitA tasya surathastatsutaH smRtaH ॥ sumitrastatsuto bhAvI vaMzaniSThAMta eva hi ॥ 41॥
hk transliteration by Sanscript