Mr. Randy Williams and Ms. Nan Hiltabidle of Annapolis, Md., announce the engagement of their daughter Miss Katherine Gray Williams to 1st Lt. Paul Asa Herdener, son of Mr. Tony Herdener and Mrs. Cathy Herdener of Gainesville. The bride-elect is the granddaughter of Dr. Stephen Hiltabidle and Mrs. Mary Hiltabidle of Annapolis, Md., and Mr. Dale Williams and Mrs. Alice Williams of Severna Park, Md. She is a 2005 graduate of Broadneck High School in Annapolis, Md.