Gusaiji was the younger son of Vallabhacharya. His real name was Vitthalnath. He was born in 1516 at Charnat near Varanasi. Gusaiji as Vithalnathji is mentioned in Hindu scriptures as follows: In Agni Purana, in a chapter titled "Bhavishiyotar" (Future Avatar (birth)), God himself professed that: "In future I will come as son of Shree Vallabh and I will be known as Shree Vithal."Gusaiji led the sect Pushtimarg, the sect founded by his father after the latter's death.