The sons of Kratu (Valakhilyas), who were as sacred as sacrifice, were the companions of Surya. They were known to the three worlds and they were all devoted to truth and vows,
क्रतोः क्रतुसमाः पुत्राः पतङ्गसहचारिणः। विश्रुतास्त्रिषु लोकेषु सत्यव्रतपरायणाः॥