Mo. Rev. Stat. § 456.1035: Permissible appointment.

1. A powerholder of a general power of appointment that permits appointment to the powerholder or the powerholder's estate may make any appointment, including an appointment in trust or creating a new power of appointment, that the powerholder could make in disposing of the powerholder's own property.

2. A powerholder of a general power of appointment that permits appointment only to the creditors of the powerholder or of the powerholder's estate may appoint only to those creditors.

3. The powerholder of a nongeneral power may:

(1) Make an appointment in any form, including an appointment in trust, in favor of a permissible appointee;

(2) Create a general power or nongeneral power in a permissible appointee; or

(3) Create a nongeneral power in any person to appoint to one or more of the permissible appointees of the original nongeneral power.