Valmiki Ramayana Aranya Kanda Sarga 4 Shloka 15
Original Shlokaकौसल्यासुप्रजा राम तातस्त्वं विदितो मया। वैदेही च महाभागा लक्ष्मणश्च महायशाः।।3.4.15।।
1 source checked for this shloka
तात O dear one, त्वम् you, कौसल्यासुप्रजाः the good son of Kausalya, रामः Rama, विदितः are known now, महाभागा a great lady, वैदेही च Sita too, महायशाः a man of great fame, लक्ष्मणश्च and Lakshmana too.
O dear Rama, I know now you are the blessed son of Kausalya, Sita is a noble lady and a glorious soul.