Valmiki Ramayana Sundara Kanda Sarga 33 Shloka 23
Original Shlokaततस्तु स्थविरो राजा सत्ये धर्मे व्यवस्थितः।।5.33.23।। ज्येष्ठं यशस्विनं पुत्रं रुदन्राज्यमयाचत।
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ततः then, सत्ये by truth, धर्मे by rigteousness, व्यवस्थितः one who held, स्थविरः aged, राजा king, रुदन् while crying, यशस्विनम् glorious one, ज्येष्ठम् eldest, पुत्रम् son, राज्यम् kingdom, अयाचत begged.
"The aged king who held on to truthfulness and righteousness begged his famed eldest son Rama to return the kingdom.