Valmiki Ramayana Ayodhya Kanda Sarga 67 Shloka 34
Original Shlokaराजा सत्यं च धर्मश्च राजा कुलवतां कुलम्। राजा माता पिता चैव राजा हितकरो नृणाम्।।2.67.34।।
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राजा king, सत्यं च truth, धर्मश्च righteousness, राजा king, कुलवताम् for men of good families, कुलम् family, राजा king alone, माता mother, पिताचैव father also, राजा king, नृणाम् for people, हितकरः one who renders welfare.
The king is the protector of truth and righteousness, of men of good families. He is father, and mother. He alone renders welfare of the people.