Carl and Janet Lange of Corpus Christi, Texas, announce the engagement of their daughter Sydni Michelle Lee to Anthony Dewayne Robertson, son of Vicki and Russell Brumfield of Acworth and Kenneth and Kathy Robertson of Cartersville.The bride-elect is the granddaughter of L.A. and Norma Burnside of Corpus Christi, Vera Lange of Robstown, Texas, and the late Barney Lange.She graduated in 2005 from Texas A&M University in College Station, Texas, with a bachelor’s degree in poultry science.The groom-elect is the grandson of the late Derrell and Joanne Swords and the late Arthur and Barbara Roberts.The couple plan to wed Oct., 2010, at Spirit Baptist Church in Gainesville.