Mahabharata 12.220.111

यदा श्वश्रूं स्नुषा वृद्धां परिचारेण योक्ष्यतेपुत्रश्च पितरं मोहात्प्रेषयिष्यति कर्मसु

yadā śvaśrūṃ snuṣā vṛddhāṃ paricāreṇa yokṣyateputraśca pitaraṃ mohātpreṣayiṣyati karmasu

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