Mich. Comp. Laws § 600.1486

Sec. 1486. A judge or justice shall not hire or employ a member of his or her immediate family as a court employee or a process server or in any judicial support-related capacity. As used in this section, "member of his or her immediate family" means a person related to the judge or justice by blood or affinity to the third degree. This section does not apply to employees hired before the effective date of this section.