[1] He was born on March 21, 1910, in Oakland, California to Joseph Gallo, Sr.
He had two brothers: his partner in the wine business, Ernest Gallo; and his youngest brother, Joseph Edward Gallo.
Joseph Gallo, Sr. died in a murder-suicide when he shot his wife and then took his own life.
[1] He died on May 2, 1993, when the vehicle he was driving veered off a dirt road on his ranch near Tracy, California.
The cause of death was a cervical spine fracture and partial dislocation caused by the blunt-force trauma of the crash.