Srimad Bhagavatam Canto 08, Chapter 05, Text 09

SB 8.5.9

tatrapi devasambhutyam
 vairajasyabhavat sutah
ajito nama bhagavan
 amsena jagatah patih
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
In this sixth manvantara millennium, Lord Visnu, the master of the universe, appeared in His partial expansion. He was begotten by Vairaja in the womb of his wife, Devasambhuti, and His name was Ajita.
Srimad Bhagavatam Canto 08, Chapter 05, Text 08
Srimad Bhagavatam Canto 08, Chapter 05, Text 10