Complex sentence: In 1921, with her son Malcolm, she set up the Graham Foundation as a continuing fund for the city's growth and improvement; before she died in 1930 she was responsible for the establishment of the Eden Home for the aged.
Split into simpler sentences: In 1921, with her son Malcolm, she set up the Graham Foundation as a continuing fund for the city's growth and improvement. Addie died in 1930 and was responsible for the establishment of the Eden Home for the aged.