Mahabharata 1.201.18

ऊचतुश्च प्रभुं देवं ततस्तौ सहितौ तदाआवयोस्तपसानेन यदि प्रीतः पितामहः

ūcatuśca prabhuṃ devaṃ tatastau sahitau tadāāvayostapasānena yadi prītaḥ pitāmahaḥ

Our plain-language meaning of this verse is waiting for scholar review.