Bhagavatapurana 6.6.17

6.6.17

sarūpāsūta bhūtasya bhāryā rudrāṃśca koṭiśaḥ /
raivato 'jo bhavo bhīmo vāma ugro vṛṣākapiḥ //

17. Sarupa (Surupa) the wife (another wife) of Bhuta brought forth Rudras in crores; viz., Raivata, Aja, Bhava, Bhima, Vama, Uggra and Vrishakapi;