Tommy and Nancy Haman of Suwanee announce the engagement of their daughter, Christine Lanier Haman of Houston, to Robert Matthew Luke of Houston, son of Joel and Jane Luke of Centerville, La.

The bride-elect is the granddaughter of Jane Haman of Duluth and the late Ray Thomas Haman Sr., Mike and Barbara D. Kellogg of Cumming and the late Andruel J. Wetherington Sr. She is a graduate of North Gwinnett High School and a graduate of Louisiana State University, where she received a bachelor's degree. She is a graduate of Florida State University, where she received a master's degree. She is attending the University of Houston, where she is pursuing her Ph.D. She is employed as a research assistant in atmospheric chemistry.

The future groom is the grandson of Eva Luke of Centerville, La., and the late John R. Luke, Carrie Richard of Plaquemine, La., and the late Richard Richard, and the late Henry D. Simpson Sr. He is a graduate of Hanson Memorial High School in Centerville, La., and a graduate of Louisiana State University. He is employed by Standard Constructors in Houston.

The wedding is planned for May 16 at Pleasant Hill Presbyterian Church in Duluth.