The Dharma lineage shows the uninterrupted transfer of Dharma from heart to heart, from the seven Buddhas (the seventh is Shakyamuni Buddha), down to our current times.
From a human point of view, preceding masters are DAIOSHO (dai=great, osho= teacher).

The following chart of the Dharma lineage gives an overview and shows the roots of Fumonji.
 

(Dharma lineage as PDF file, original size 118 KB)