Japanese Family Emblem

A Kamon, or "mon" is the Japanese family crest. These historic symbols are what samurai war, to show who their lord was.

Kamon of the Shogun
A paulownia flower is taken from Shogun Hideyoshi Toyotomi.

http://www.cafepress.com/hantranslation/750316
Kamon of the Samurai
The pine tree is the mon emblem of a historic Japanese family, Matsu.

http://www.cafepress.com/hantranslation/750314
Kamon of the Emperor
The chrysanthemum (kiku) is the mon of the Japanese Emperor.

http://www.cafepress.com/hantranslation/750311