As in most koryū (old schools) the line of head masters from the current sōke Ichiya Junzō back to Hōzōin Kakuzenbō Inei who founded the school is well documented.
About the life and doings of the founder of the school on the other hand only relatively litte is known for sure. And the little information that you can find often is contradictory or belongs to the realm of legends.
