One verse

Srimad Bhagavatam 8.1.27

8.1.27

चतुर्थ उत्तमभ्राता मनुर्नाम्ना च तामस: । पृथु: ख्यातिर्नर: केतुरित्याद्या दश तत्सुता: ॥ २७ ॥

caturtha uttama-bhrata manur namna ca tamasah prthuh khyatir narah ketur ity adya dasa tat-sutah

caturtha
the fourth Manu
uttama-bhrata
the brother of Uttama
manuh
became the Manu
namna
celebrated by the name
ca
also
tamasah
Tamasa
prthuh
Prthu
khyatih
Khyati
narah
Nara
ketuh
Ketu
iti
thus
adyah
headed by
dasa
ten
tat-sutah
sons of Tamasa Manu.

The brother of the third Manu, Uttama, was celebrated by the name Tamasa, and he became the fourth Manu. Tamasa had ten sons, headed by Prthu, Khyati, Nara and Ketu.