A simple design with 2 sticks being crossed in X shape.
 
This crossed sticks means brace.
 

What is a brace?

• These two crossed sticks are said to represent a brace.
• It is used in the construction of wooden buildings and is a reinforcing material that can be inserted diagonally between pillars.
• Japan is a country with many big earthquakes. Therefore, brace is used in many wooden buildings.

 

Castle's name that stamp this family crest

Shirakawa-komine castle（福島）