Ramayana
मनुः प्रजापतिः पूर्वमिक्ष्वाकुश्च मनोः सुतः । तमिक्ष्वाकुमयोध्यायां राजानं विद्धि पूर्वकम् ॥ १-७०-२१
Manu was the earliest Prajaapati and Ikshvaaku was the son of Manu, and that Ikshvaaku was the first king of Ayodhyaa . know thus . ॥ 1-70-21॥
english translation
manuH prajApatiH pUrvamikSvAkuzca manoH sutaH । tamikSvAkumayodhyAyAM rAjAnaM viddhi pUrvakam ॥ 1-70-21
hk transliteration by Sanscript