Ala. Code § 25-5-65: Compensation of Orphans or Other Children.

In computing and paying compensation to orphans or other children, in all cases, only those under 18 years of age or those over 18 years of age who are physically or mentally incapacitated from earning shall be included; the former to receive compensation only during the time they are under 18, the latter for the time they are so incapacitated, within the applicable period for which benefits are payable.