Valmiki Ramayana Ayodhya Kanda Sarga 8 Shloka 34
Original Shlokaएवं ते ज्ञातिपक्षस्य श्रेयश्चैव भविष्यति। यदि चेद्भरतो धर्मात्पित्र्यं राज्यमवाप्स्यसि।।2.8.34।।
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भरत: Bharata, धर्मात् righteously, पित्र्यम् relating to his father,राज्यम् kingdom, अवाप्स्यसि यदि if he secures, एवं चेत् if it happens that way, ते to you, ज्ञातिपक्षस्य चैव and also to your relations, श्रेय: welfare, भविष्यति will happen.
If Bharata secures the ancestral kingdom righteously, it will bring welfare to you and to your relations also.