Gisela enjoyed playing the piano and was especially fond of tennis. She worked for many years as a substitute teacher in the Bellbrook and Centerville schools. Later she began tutoring English as a Second Language and did that for many years. Gisela was active at Emmanuel Lutheran Church serving in many capacities, including teaching Sunday School and the Hand Bell Choir .
She was preceded in death by a grand daughter, Amanda Castle; and by her sisters, Viola, Anita and Rosemarie.
She is survived by her husband of 68 years, Tom Sullivan; sons, Bob (Leslie) Sullivan and Tom (Jia Huey) Sullivan; daughters, Annette (Charlie) Castle and Pam (Bob) Hester; grandchildren Eric, Tommy, Kelsey and Rachel; and by a great grand daughter, Charlotte Grace.
Visitation will be Friday from 9:00 to 11:00 am at Emmanuel Lutheran Church, 4865 Wilmington Pike. Funeral services will immediately follow visitation beginning at 11:00 am. In lieu of flowers, memorials may be sent to Hospice of Dayton.