Shiva Purana
आस्थाय भोगिपर्यंकशयने तोयमध्यगः ॥ तन्नाभिपंकजाज्जातः पञ्चवक्त्रः पितामहः ॥ २६ ॥
He sat down on a bed made of pleasure and was in the middle of the water. From the lotus of that navel the five-faced grandfather was born.
english translation
AsthAya bhogiparyaMkazayane toyamadhyagaH ॥ tannAbhipaMkajAjjAtaH paJcavaktraH pitAmahaH ॥ 26 ॥
hk transliteration by Sanscript