Valmiki Ramayana Ayodhya Kanda Sarga 102 Shloka 17

ततः then, सर्वे all, ते भ्रातरः his brothers, राघवम् Rama, भृशम् greatly, आश्वास्य having consoled, जगतीभर्तुः to the protector of the world, Dasaratha, पितुः to father, उदकम् libations of water, क्रियताम् may be offered, अब्रुवन् they told.

All the brothers, having consoled Rama as best they could, told him, Let the libations be offered to our father, the protector of the world.