Idaho Statutes Title 15. Uniform Probate Code § 15-2-302. Pretermitted children

(a) If a testator fails to provide in his will for any of his children born or adopted after the execution of his will, the omitted child receives a share in the estate equal in value to that which he would have received if the testator had died intestate unless:

(b) If at the time of execution of the will the testator fails to provide in his will for a living child solely because he believes the child to be dead, the child receives a share in the estate equal in value to that which he would have received if the testator had died intestate.

(c) In satisfying a share provided by this section, the devises made by the will abate as provided in section 15-3-902 of this code.