sūta uvāca
apīpalad dharma-rājaḥ
pitṛvad rañjayan prajāḥ
niḥspṛhaḥ sarva-kāmebhyaḥ
kṛṣṇa-pādānusevayā
Three verses describe Yudhisthira in order to indicate that the cause of attaining such a grandson was his attachment to Krsna. Apipalat means “he protected.”