Mahabharata 151.43

यवनो जनकश्चैव तथा दृढरथो नृपः
रघुर्नरवरश्चैव तथा दशरथो नृपः

Yavano janakashchaiva tatha dridharatho nripah
Raghurnaravarashchaiva tatha dasharatho nripah