Valmiki Ramayana Aranya Kanda Sarga 67 Shloka 21

तदा then, रामः Rama, तस्य his, सीतासक्ताम् about Sita, प्रियाम् dear, कथाम् facts, विज्ञाय having, बाष्पपूर्णमुखः face full of tears, द्विगुणीकृततापार्तः helpless and pitiable due to redoubled sorrow.

Having known from Jatayu the story of his beloved Sita, Rama was full of tears, his grief redoubled.