Gaetano Ingrassia and his wife, he was a member of the San Francisco mafia killed in 1916.The Pedone gang was trying to extort Ingrassia, who was probably the head of the San Francisco family. Ingrassia set up a meeting with Antonio and Giuseppe Pedone and shot them both. However, Antonio's son shot and killed Ingrassia in retaliation, starting a war that would last for 8 years. Ingrassia was murdered on Thanksgiving. A year later, Mario Alioto, Ingrassia’s son-in-law was murdered in almost the exact spot by a black hand member of the Pedone gang named Antonio Lapara