Complex sentence: His foster parents died and left him and his foster-brother a million dollars each according to the San Francisco Chronicle at the time, which he used to sponsor several civic minded causes, one example being the Mime Troupe in 1965.
Split into simpler sentences: His foster parents died and, according to the San Francisco Chronicle at the time, left him and his foster-brother a million dollars each. Graham sponsored several civic minded causes, one example being the Mime Troupe in 1965.