however , with no effective measure existing , it is a difficult problem for which a solution can not be found easily .. しかしながら、有効な手立てがないだけに解決の難しい問題である。
since photography was not available at that time and an assailant did not always know the face of the lord , it was an effective measure . 当時は写真が無かったため、襲撃者が主君の顔を知っているとは限らず有効な手段であった。
it is believed that it was an effective measure especially for disputes among gokenin (immediate vassals of the shogunate in the kamakura and muromachi through edo periods )which increased sharply after the jokyu war . 特に承久の乱後に急増するようになった御家人間の紛争に対する有効な手段であったと考えられている。
for instance , in the case of the family name of kim , hongan was an effective measure in distinguishing clans , since there was the royal family of gimhae gaya (in gaya ) and the royal family of silla , which were clans with completely different lineage . たとえば金姓の場合、金海伽耶(駕洛国)王族系と新羅王族系と全く血統の違う氏族が在るために本貫は氏族を区別する為の有効な手段であった。