The sixth Kichibe, one of the adopted sons-in-law, conducted investigations in order to compile the achievements of the Okumura family, making a record of mounting done by past generations as well as a family tree.
その中の1人、6代・吉兵衛は奥村家の功績をまとめるために調査を重ね、家系図はもちろん、歴代の表具作成の記録などを文書化する。