Regan Katie Hatfield, infant daughter of Richard Delano Hatfield and Jaclyn Jeanne Muller was born on February 3, 2010 and passed away on February 17, 2010 at Wellstar Cobb Hospital.In addition to her loving parents, she is survived by her twin sister, Avaclaire Hatfield and a brother, Andrew Mullerboth of Austell. A graveside service is planned for 11:00 am Friday, March 12, 2010 at Mt. Harmony Memorial Gardens.Family and friends are asked to meet at the cemetery shortly before service time.