Valmiki Ramayana 7.76.11
ममापचाराद्यातो ऽसौ ब्राह्मणस्यैकपुत्रकः ।अप्राप्तकालः कालेन नीतो वैवस्वतक्षयम्॥
mamāpacārādyāto 'sau brāhmaṇasyaikaputrakaḥ |aprāptakālaḥ kālena nīto vaivasvatakṣayam ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book