Vaishampayana said : It is known that the mind-born sons of Brahma were six great Rishis. There was another (mind-borm son of Brahma,) named Sthanu. He had eleven sons gifted with great energy,
वैशंपायन उवाच ब्रह्मणो मानसाः पुत्रा विदिताः षण्महर्षयः। एकादश सुता: स्थाणोः ख्याता: परमतेजसः॥