Goku does not have a sister he has 1 older brother.
Goku's father's name is Bardock.
the oldest is gohan and the youngest is goten than he has a granddaughter named pan and videl is his daughter in law
goku's last name is son but in japan last name is said first (example: Son Goku,Son Gohan)
Flavia Weedn's youngest granddaughter's name is Stella Mae. She has been sighted in the first page of Weedn's calenders.
Goku turned into his great ape form and accidentally killed him.
bardock
his name is howzat
Goku's father's name is Bardock.
Kakarot
The name of Goku's mother is Kanza.
the oldest is gohan and the youngest is goten than he has a granddaughter named pan and videl is his daughter in law
Son. His full name is Son Goku.
No its how they call him in Japan Son-Goku -Giga Drill
goku's last name is son but in japan last name is said first (example: Son Goku,Son Gohan)
No Gokus mom was not in any of the episdoes of dragonballz's episodes
Kurotsuchi is the granddaughter of Oonoki, the third tsuchikage. hope this helps ^.^
his uncle is uncle joe joe bean there is proof