Quote from Decadent_Creed »Man this Gisela pronunciation debate is getting to be just about as riveting as talking about how to pronounce gif
My grandmother's name was Gisela. Ghee-say-la.
Might be different depending on the language being spoken. My grandmother was German, the French version is Giselle, I believe.
Edit: literally a grandma in a rocking chair, confirming earlier suspicions