Valmiki Ramayana Kishkindha Kanda Sarga 57 Shloka 6

गुरुजनप्रियः loved by elders, रामः Rama, यस्य whose, प्रियः favourite one, ज्येष्ठः पुत्रः eldest son, मम भ्रातुः my brother's, तस्यैव of him alone, सखा friend, दशरथः Dasaratha, कथम् how.

'How did Dasaratha develop friendship with my brother? I hear that Rama who is the favourite firstborn of Dasaratha has endeared himself to all elders.