Complex sentence: Geraldine was introduced to art and theater at an early age, as her mother was involved in the arts and had taken Geraldine to visit many different art galleries, museums and also to the childrens opera.
Split into simpler sentences: Geraldine was introduced to art and theater at an early age, as her mother loved the arts. Geraldine's mother an artist herself, had taken her to visited many different art galleries, museums and also to the childrens opera.