Jim and Anna Grant of Grayson announce the engagement of their daughter, Christy Marie Grant of Conyers, to Stefan Marcus Browne of Conyers, the son of Carlton Browne of Long Island, N.Y., and the late Anne Marie Browne.

The bride-elect is the granddaughter of James and Virginia Grant of Whittier, Calif. She is a 2001 graduate of South Gwinnett High School and a graduate of the University of Georgia.

The future groom is the grandson of Jennylyn Greene of Port of Spain, Trinidad, and the late Mortemor Greene. He is a graduate of Miami Palmetto Senior High School.

The wedding is planned for Sept. 19 in Seagrove Beach, Fla.