DommerichMr. and Mrs. Louis Alexander Dommerich of Palm Beach, Florida, and Greenwich, have announced the engagement of their daughter, Sally Morgan Dommerich, to William Dice Line-berry, the son of Dr. and Mrs. Dice Kyle Lineberry of Mountain Brook, Alabama. A May wedding is planned.Miss Dommerich is a graduate of Greenwich Academy and Vanderbilt University, where she was a member of the Chi Omega sorority. She made her debut in Greenwich at the Junior League Cotillion, and in New York at the Society of Mayflower Descendants’ Ball. She was also a member of the New York Junior Assembly. She recently received her Florida real estate license.Her grandparents are Mrs. Henry J. Sommer and the late Alexander Bradford Morgan of Winter Park, Florida, and the late Mr. and Mrs. Louis F. Dommerich of Stuart, Florida, and Greenwich. Her great, great grandfather was the founder of L.F. Dommerich Co., factors, in New York City.Mr. Lineberry’s grandparents are Mrs. Ellis Dice Lineberry and the late Dr. Lineberry, and Mrs. Rufus Edward Elliot and the late Mr. Elliot all of Mountain Brook. The prospective bridegroom was a member of the Phi Delta- Lineberry%Sally Morgan DommerichTheta fraternity at Vanderbilt University. He graduated from Vanderbilt University in 1989. He is studying law at the University of Alabama.