Also, attention should be paid to the fact that in the Edo Period, people who were engaged in the profession called keizushiri made their living by visiting villages and drawing for local residents genealogical tables showing that they came from a distinguished historical family.
江戸時代には系図知りと呼ばれる職業の者が村々を廻り、土地の者のために史上の名家から連なる系図を作成して生計を立てていたことにも留意する必要がある。