Your grandfather's brother is your great uncle and your parent's uncle.
grand uncle or great uncle
First cousins, as you share a common grandparent.
Your grandfather's uncle is your great uncle.
your cousin
No relation
Grandads-Robbers was created in 1971.
The duration of Grandads-Robbers is 1.45 hours.
Brother in law
brother
Brother-in-law
Your brother or brother in law
your brother's daughter is you niece
your brother