Though never explicitly stated in the film, Anita Colombo (the old woman evicted from her apartment that a young Vito helps out) is the grandmother of Sandra Corleone, Sonny's wife. See more
The aircraft pulling up at the airport is a Cessna 182G, tail number N3254S. This aircraft model was not manufactured until 1963 and this particular aircraft was not manufactured until 1964, well after the Cuban revolution. See more
The godfather was born Vito Andolini, in the town of Corleone in Sicily. In 1901 his father was murdered for an insult to the local Mafia chieftain. His older brother Paolo swore revenge and disappeared into the hills, leaving Vito, the only male heir, to stand with his mother at the funeral. He was nine years old.
[gunshots and screams
[subtitled from Italian
They've killed the boy! They've killed young Paolo! They've killed your son Paolo!