A missing child alert was issued Friday for 5-year-old twins and their sister. Authorities say the children were taken at gunpoint from a home in Jefferson County. The twins are named Heavenly and Heaven Brown, and their 2-year-old sister is identified as Blessing Nail. The kids were taken by their non-custodial mother, Derick Irisha Brown, the Alabama Law Enforcement Agency said. Brown is reported to have family in the Atlanta area. She may be driving a gray Buick SUV that is van-like in appearance with black trim and an unknown tag. Anyone with information is aksed to call the Jefferson County Sheriff's Office at (205) 325-1450 or call 911.