Your great great grandfather.
your grandpa
you should let the grandpa join in as well!
Mother's father is called a grandpa.
Bedstefar, or Farfar (if its on the Farthers side of the family) Morfar (if its on the Mothers Side)
If your biological grandpa is still around he can be step grandpa or as we call it, bonus grandpa. The whole step thing sounds so hard. Bonus is better. If your biological grandpa is gone just call him grandpa.
nona
Yes, that's what my kids call their grandpa too.
group of mothers
Shortman.
yes it is ok to call your grandpa your papal.
Grandpa, Grandad, or grandfather.
ask grandma to love grandpa if say no say i wont love you anymore and i will call a case of husband abuse and then she will love grandpa