Wyo. Stat. Ann. § 3-3-105
(a) The appointment of a qualified and suitable conservator of a minor shall be made in the following order of preference:
(i) The parent or parents of the minor;
(ii) The person nominated as conservator in the will of the custodial parent;
(iii) The person requested by a minor who has reached fourteen (14) years of age;
(iv) Any other person who is willing to serve as conservator.