Valmiki Ramayana Ayodhya Kanda Sarga 49 Shloka 13
Original Shlokaस महीं मनुना राज्ञा दत्तामिक्ष्वाकवे पुरा। स्फीतां राष्ट्रावृतां रामो वैदेहीमन्वदर्शयत्।।2.49.13।।
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सः रामः that Rama, पुरा formerly, राज्ञा by the king, मनुना by Manu, इक्ष्वाकवे to Ikshvaku, दत्ताम् bestowed, स्फीताम् vast tracts, राष्ट्रावृताम् encircled by kingdoms, महीम् land, वैदेहीम् to Sita, अन्वदर्शयत् showed.
Rama showed Sita vast tracts of land encircled by kingdoms which were formerly bestowed upon Ikshvaku by emperor Manu.