Valmiki Ramayana Aranya Kanda Sarga 68 Shloka 23
Original Shlokaगृध्रराज्यं परित्यज्य पितृपैतामहं महत्।।3.68.23।। मम हेतोरयं प्राणान्मुमोच पतगेश्वरः।
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अयं पतगेश्वरः this lord of the birds, पितृपैतामहम् ancestral, महत् great, गृध्रराज्यम् kingdom of vultures, परित्यज्य left, मम हेतोः for my sake, प्राणान् life, मुमोच gave up.
This lord of the birds left his ancestral kingdom of viltures and gave up life for my sake.