Bobby and Krista Warmack of Fayetteville announce the birth of their son, Colby Alan, born Aug. 1, 2006, at 8:20 p.m.at Southern Regional Medical Center in Riverdale. Colby weighed 8 pounds 4 ounces and was 20 inches long. Materal grandparents are Iris Harper and David Pope of Fayetteville. Paternal grandparents are Rick and Mary Ann Warmack of Alton, Ill. Colby was welcomed home by his brothers, Blake, age 11, and Christian, age 4.