Ariz. Rev. Stat. § 23-1046
A. In case of an injury causing death, the compensation therefor shall be known as a death benefit and shall be payable in the amount, for the period, and to and for the benefit of the following:
5. To brothers or sisters under the age of eighteen years, if there is no surviving husband or wife, dependent children under the age of eighteen years or dependent parent, the following shall govern: