SB 10.1.30
ugrasena-sutah kamsah
svasuh priya-cikirsaya
rasmin hayanam jagraha
raukmai ratha-satair vrtah
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Kamsa, the son of King Ugrasena, in order to please his sister Devaki on the occasion of her marriage, took charge of the reins of the horses and became the chariot driver. He was surrounded by hundreds of golden chariots.