Svāyambhuva Manu handed over his daughter Prasūti to the son of Brahmā named Dakṣa, who was also one of the progenitors of the living entities. The descendants of Dakṣa are spread throughout the three worlds.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
दक्षाय ब्रह्मपुत्राय प्रसूतिं भगवान् मनुः । प्रायच्छद्यत्कृतः सर्गस्त्रिलोक्यां विततो महान्
dakṣāya brahmaputrāya prasūtiṃ bhagavān manuḥ | prāyacchadyatkṛtaḥ sargastrilokyāṃ vitato mahān
SB 4.1.11