Well, I don’t think I am the first one to get to know, but at least I have seen the light.
Bullah Shah was the king of the town of Bulkh near Bukhara. Like Prince Siddhartha, he saw materialistic suffering and pain which pulled him to the path of renunciation. He sought shelter with the great Sufi saint Miyamir at the latter’s ashram at Miyamirki Chhauni, outside Lahore.
Bullah Shah is considered one of the greatest Sufi saints.
Here is a very informative article about Bullah Shah