Ariz. Rev. Stat. § 14-2301
A. If a testator's surviving spouse married the testator after the testator executed a will, the surviving spouse is entitled to receive as an intestate share that is not less than the value of the share of the estate the spouse would have received if the testator had died intestate as to any portion of the testator's estate that neither is devised to a child of the testator who was born before the testator married the surviving spouse and who is not a child of the surviving spouse nor is devised to a descendant of that child or that passes under section 14-2603 or 14-2604 to that child or to a descendant of that child, unless: