Śrīmad-Bhāgavatam · Text 4.28.29
Who is speaking and story frame
उपयेमे वीर्यपणां वैदर्भीं मलयध्वज: ।
युधि निर्जित्य राजन्यान् पाण्ड्य: परपुरञ्जय: ॥ २९ ॥
upayeme vīrya-paṇāṁ
vaidarbhīṁ malayadhvajaḥ
yudhi nirjitya rājanyān
pāṇḍyaḥ para-purañjayaḥ
It was fixed that Vaidarbhī, daughter of King Vidarbha, was to be married to a very powerful man, Malayadhvaja, an inhabitant of the Pāṇḍu country. After conquering other princes, he married the daughter of King Vidarbha.
Read Śrīla Prabhupāda's purport on Vedabase.io