Ruru had a son by his wife Pramadvara. O Shaunaka, he was your grandfather; he was very virtuous and greatly learned in the Vedas.
रुरोरपि सुतो जज्ञे शुनको वेदपारगः। प्रमद्वरायां धर्मात्मा तव पूर्वपितामहः॥