Valmiki Ramayana 7.51.22
अयोध्यायाः पती रामो दीर्घकालं भविष्यति ।सुखिनश्च समृद्धाश्च भविष्यन्त्यस्य ये ऽनुगाः॥
ayodhyāyāḥ patī rāmo dīrghakālaṃ bhaviṣyati |sukhinaśca samṛddhāśca bhaviṣyantyasya ye 'nugāḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book