Mr. and Mrs. Michael Greene of Lilburn announce the engagement of their daughter Sara Katherine Greene of Lilburn to Robert Clayton Cain of Lawrenceville, son of Mr. and Mrs. Marc Cain of Lawrenceville.

The bride-elect is the granddaughter of Elizabeth Robison Bonner of Lawrenceville and the late Melrose Gregory Bonner and Bernice White Greene and the late Carl Edward Greene. She is a 2004 graduate of Parkview High School and a 2008 graduate of the University of Georgia. She is pursuing a master's degree from the University of Georgia. She is employed by the University of Georgia as a graduate assistant for the women's basketball team.

The future groom is the grandson of Mr. and Mrs. Robert Cain of Lawrenceville and Kathryn Burnette of Dacula and the late Ron Burnette. He is a 2005 graduate of Brookwood High School and is pursuing a degree from Valdosta State University.

The wedding is planned for Sept. 25 at Lawrenceville First Baptist Church.