Mahabharata 12.49.76

एतेषां पितरश्चैव तथैव च पितामहाःमदर्थं निहता युद्धे रामेणाक्लिष्टकर्मणा

eteṣāṃ pitaraścaiva tathaiva ca pitāmahāḥmadarthaṃ nihatā yuddhe rāmeṇākliṣṭakarmaṇā

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