Ramayana
अस्य त्वं धरमाणस्य सुग्रीवस्य महात्मनः । रुमायां वर्तसे कामात्स्नुषायां पापकर्मकृत् ॥ ४-१८-१९
'You are a sinner, since you live with Ruma, who is your virtual daughter-in-law, when the great self Sugriva is alive. ( A younger brother is like a son and his wife, a daughter-in-law ). ॥ 4-18-19॥
english translation
asya tvaM dharamANasya sugrIvasya mahAtmanaH । rumAyAM vartase kAmAtsnuSAyAM pApakarmakRt ॥ 4-18-19
hk transliteration by Sanscript