Valmiki Ramayana Ayodhya Kanda Sarga 103 Shloka 24
Original Shlokaविदेहराजस्य सुता स्नुषा दशरथस्य च। रामपत्नी कथं दुःखं सम्प्राप्ता निर्जने वने।।2.103.24।।
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विदेहराजस्य of the king of Videha, सुता daughter, दशरथस्य Dasaratha's, स्नुषा daughterinlaw, रामपत्नी Rama's wife, निर्जने in desolation, वने in the forest, कथम् how, दुःखम् grief, सम्प्राप्ता had undergone.
How is it that Sita, daughter of Janaka, king of Videha, daughterinlaw of Dasaratha and wife of Rama, has to undergo such hardships in the lonely forest.