Valmiki Ramayana Ayodhya Kanda Sarga 112 Shloka 10

काकुत्स्थ O Kakutstha, राजधर्मम् code of kings, कुलधर्मानुसन्ततिम् to abide by the traditional code of our family, अनुप्रेक्ष्य having considered, मम my, मातुश्च also mother's, याचनाम् supplication, कर्तुम् to do, अर्हसि behoves you.

O Rama, keeping in view the code of kings and tradition of our family, it behoves you to consider my supplication and that of my mother.