Shiva Purana
सूर्यचन्द्रावुभौ देवौ पृथ्व्यां वंशप्रवर्त्तकौ॥ शिवसेवारतौ नित्यं सवंश्यौ तौ मुनीश्वर ॥ २१॥
O great sage, the two gods, the Sun and the Moon who started two lines of kings on the earth are devoted to the service of Śiva always along with their descendants.
english translation
sUryacandrAvubhau devau pRthvyAM vaMzapravarttakau॥ zivasevAratau nityaM savaMzyau tau munIzvara ॥ 21॥
hk transliteration by Sanscript