Mahabharata 5.56.17

महेष्वासा राजपुत्रा भ्रातरः पञ्च केकयाःकेकयानेव भागेन कृत्वा योत्स्यन्ति संयुगे

maheṣvāsā rājaputrā bhrātaraḥ pañca kekayāḥkekayāneva bhāgena kṛtvā yotsyanti saṃyuge

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