Mahabharata 12.7.13

बहु कल्याणमिच्छन्त ईहन्ते पितरः सुतान्तपसा ब्रह्मचर्येण वन्दनेन तितिक्षया

bahu kalyāṇamicchanta īhante pitaraḥ sutāntapasā brahmacaryeṇa vandanena titikṣayā

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