He has already said he will put one or more of his kids on the cabinet, I think.
Then he's breaking the law: 5 U.S. Code § 3110. "A public official may not appoint, employ, promote, advance, or advocate for appointment, employment, promotion, or advancement, in or to a civilian position in the agency in which he is serving or over which he exercises jurisdiction or control any individual who is a relative of the public official. An individual may not be appointed, employed, promoted, or advanced in or to a civilian position in an agency if such appointment, employment, promotion, or advancement has been advocated by a public official, serving in or exercising jurisdiction or control over the agency, who is a relative of the individual."