There are a total of 140 playable clans in Shugo. This page tells more about the start positions of each clan.
The following list shows how many clans share the same personality. Some personalities are quite common, while other personalities are rare.
Of the various personalities there are:
See this map with a view of all the start locations of all the clans.
See this map with a view of all the old provinces of Japan.
See this map with a view of all the old regions of Japan.
See this map with a view of all the ronin.
There are 337 Ronin in Japan.