Complex sentence: After leaving Bletchley to care for her mother, Sandeman took a studio in Glasgow, where she created a series of vivid still-lives, while paid employment included painting antique effects on lampshades.
Split into simpler sentences: After leaving Bletchley to care for her mother, Sandeman took a studio in Glasgow. Her first work was a series of vivid still-lives, while paid employment included painting antique effects on lampshades.