The Lord of the ritualistic performance of yajña later married Dakṣiṇā, who was anxious to have the Personality of Godhead as her husband, and in this wife the Lord was also very much pleased to beget twelve children.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तां कामयानां भगवानुवाह यजुषां पतिः । तुष्टायां तोषमापन्नोऽजनयद्द्वादशात्मजान्
tāṃ kāmayānāṃ bhagavānuvāha yajuṣāṃ patiḥ | tuṣṭāyāṃ toṣamāpanno'janayaddvādaśātmajān
SB 4.1.6