Shiva Purana
ततस्तेभ्यो विकारेभ्यो रुद्रो विष्णुः पितामहः ॥ कारणत्वेन सर्वेषां त्रयो देवाः प्रजज्ञिरे ॥ २ ॥
Then from these, the three deities Rudra, Viṣṇu and Brahmā were born as the cause of all.
english translation
tatastebhyo vikArebhyo rudro viSNuH pitAmahaH ॥ kAraNatvena sarveSAM trayo devAH prajajJire ॥ 2 ॥
hk transliteration by Sanscript