Private School Act Enforcement Rules Article 13

With regard to spousal relationships or marital or blood relationships within the third degree of kinship between directors in Article 16 of the Act, the calculation of the number of persons shall be performed separately for each family.
中文原文 私立學校法施行細則第13條
本法第十六條所定董事相互間有配偶及三親等以內血親、姻親之關係,其人數之計算,應以單一家族人數分別計算。

English translation for reference only; the Chinese text prevails. Not legal advice.