1.) Your parents grandparents
2.) An awesome grandparent
Definition 1.
Mom: we are going to your great grandparents house for dinner today.
Kid: hell yeah! Grandma always makes cookies AND sneaks me a $20 bill!
Definition 2.
Grandpa: hey billy! Wanna go out for ice cream?
Billy: heck yeah! You’re such a great grandparent.
Spouse's step-great-grandparent.
step-great-grandparent-in-law.
1- Stepgrandparent's parent.
2- Grandparent's stepparent.
My step-great-grandparent is a good person.
1- Stepgrandparent's parent.
2- Grandparent's stepparent.
step-great-grandparent.