One verse

Srimad Bhagavatam 6.18.5

6.18.5

वाल्मीकिश्च महायोगी वल्मीकादभवत्किल । अगस्त्यश्च वसिष्ठश्च मित्रावरुणयोऋर्षी ॥ ५ ॥

valmikis ca maha-yogi valmikad abhavat kila agastyas ca vasisthas ca mitra-varunayor rsi

valmikih
Valmiki
ca
and
maha-yogi
the great mystic
valmikat
from an anthill
abhavat
took birth
kila
indeed
agastyah
Agastya
ca
and
vasisthah
Vasistha
ca
also
mitra-varunayoh
of Mitra and Varuna
rsi
the two sages.

By the semen of Varuna, the great mystic Valmiki took birth from an anthill. Bhrgu and Valmiki were specific sons of Varuna, whereas Agastya and Vasistha Rsis were the common sons of Varuna and Mitra, the tenth son of Aditi.