Tameto REIZEI, the twenty-fourth family head, established the Reizei Shigure-tei Library Foundation, and Tamehito REIZEI, who married Tameto's daughter and became the twenty-fifth (and current) head of the Kami Reizei family, is now the head director of this organization.
上冷泉家の第25代当主（現当主）冷泉為人は、財団法人冷泉家時雨亭文庫を設立した第24代当主冷泉為任の娘婿で、同文庫の理事長である。