Valmiki Ramayana Sundara Kanda Sarga 35 Shloka 26
Original Shlokaवयं तु हरिराजं तं सुग्रीवं सत्यसङ्गरम्। परिचर्यामहे राज्यात्पूर्वजेनावरोपितम्।।5.35.26।।
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वयं तु we too, पूर्वजेन by his elder brother, राज्यात् from the kingdom, अवरोपितम् deposed, सत्यसङ्गरम् one who is committed to truth, हरिराजम् king of vanaras, तम् him, सुग्रीवम् Sugriva, परिचर्यामहे we serve him.
"Sugriva, king of vanaras who is committed to defend truth has been deposed from the kingdom by his elder brother. We keep attending on him.