The sons of Kavi who was adopted by Brahman himself are also known as Varunas. Eight in number all of them became progenitors of races and tribes. Auspicious by nature, they all knew Brahma.
ब्रह्मणस्तु कवेः पुत्रा वारुणास्तेऽप्युदाहृताः। अष्टौ प्रसवजैर्युक्ता गुणैर्ब्रह्मविदः शुभाः॥