Valmiki Ramayana Aranya Kanda Sarga 75 Shloka 4
Original Shlokaसप्तानां च समुद्राणामेषु तीर्थेषु लक्ष्मण। उपस्पृष्टं च विधिवत्पितरश्चापि तर्पिताः।।3.75.4।।
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लक्ष्मण Lakshmana, सप्तानाम् of seven, समुद्राणाम् of seas, एषु तीर्थेषु in these waters, उपस्पृष्टम् having bathed, पितरश्चापि oblations to forefathers, विधिवत् in accordance with tradition, तर्पिताः have been invoked with offering.
O Lakshmana, having bathed in the waters of the seven seas (by taking ritualistic bath in these waters) the manes are offered oblations in accordance with tradition.