This is the 8472nd most frequent Japanese word.
房之助
"房之助" (Fusanosuke) is a Japanese given name, typically male.
Here, "房之助" is used as a proper noun or a name of a person.
房之助は日本の歴史に名を残した人物です。
Fusanosuke is a person who left his name in Japanese history.
In this context, "房之助" might symbolize or represent some traits or heritage associated with the name.
家紋にも房之助を表す模様が使われています。
The family crest incorporates designs representing Fusanosuke.
Here, "房之助" is again used as a proper noun, specifically for a character in a story.