Shiva Purana
आकूत्यां मिथुनं जज्ञे मानसस्य रुचेः शुभम् ॥ यज्ञश्च दक्षिणा चैव याभ्यां संवर्तितं जगत् ॥ ८ ॥
The mental son Ruci begot of Ākūti a son Yajña and a daughter Dakṣiṇā. The two make the universe whirl.
english translation
AkUtyAM mithunaM jajJe mAnasasya ruceH zubham ॥ yajJazca dakSiNA caiva yAbhyAM saMvartitaM jagat ॥ 8 ॥
hk transliteration by Sanscript