Mahabharata 12.272.16

पितामहपुरोगाश्च सर्वे देवगणास्तथाऋषयश्च महाभागास्तद्युद्धं द्रष्टुमागमन्

pitāmahapurogāśca sarve devagaṇāstathāṛṣayaśca mahābhāgāstadyuddhaṃ draṣṭumāgaman

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