Shiva Purana
अथ ब्रह्मा हरिश्शम्भुरवतेरुः स्त्रियां ततः ॥ पुत्ररूपैः प्रसन्नात्मनानालीला प्रकाशकाः ॥ २४ ॥
Then Brahma, Viṣṇu and Śiva, the delighted exponents of different kinds of sports, took their incarnations as the sons of his wife.
english translation
atha brahmA harizzambhuravateruH striyAM tataH ॥ putrarUpaiH prasannAtmanAnAlIlA prakAzakAH ॥ 24 ॥
hk transliteration by Sanscript