yes if your grandfather got remarried.
The appropriate term to use for step-grandparents in a blended family is "step-grandparents."
Step grandparents can play a significant role in the lives of their step grandchildren by providing love, support, and guidance. They can offer a unique perspective and enrich the family dynamic by forming meaningful relationships with their step grandchildren. Step grandparents can create lasting memories, offer wisdom, and be a source of comfort and stability for their step grandchildren.
Whatever is respectful and is acceptable to the grandparents.
Grandparents
call your grandparents a different name you want your cousins to call them and then eventually they will copy you and then you can switch back
Your grandparents.
niggiwawa
They would be the grandparents.
you call dutch gran parents oma(grandma) and opa(grandpa)
# relatives # friends # siblings # parents # grandparents # aunts-uncles # step -------
They would be your grandparents brother of sister
you call dutch gran parents oma(grandma) and opa(grandpa)