Shiva Purana
जुह्वानस्य ब्रह्मणो वै प्रजासर्ग इहोच्यते ॥ पूर्वं यानथ ब्रह्मर्षीनुत्पन्नान्सप्त मानसान् ॥ २ ॥
The creation of the progeny by the sacrificial Brahman is described here. Then the seven mental beings who were born of the brahmarshis in the past.
english translation
juhvAnasya brahmaNo vai prajAsarga ihocyate ॥ pUrvaM yAnatha brahmarSInutpannAnsapta mAnasAn ॥ 2 ॥
hk transliteration by Sanscript