Valmiki Ramayana Bala Kanda Sarga 34 Shloka 7
Original Shlokaपूर्वजा भगिनी चापि मम राघव सुव्रता। नाम्ना सत्यवती नाम ऋचीके प्रतिपादिता।।1.34.7।।
1 source checked for this shloka
राघव O Rama, सुव्रता adherent of best religious practices, नाम्ना by name, सत्यवती नाम as Satyavati, मम my, पूर्वजा भगिनी elder sister, ऋचीके for Richika, प्रतिपादिता was bestowed.
O Raghava adherent of best religious practices, is my elder sister well known by name Satyavati. She was bestowed in marriage to Richika.