It depends...
You could always just call them grandma and grandpa. Or call them by their first names. Ask them what they want you to call them
It remains the same
They are your parents in law. Ask them what they would prefer to be called.
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 granddaughter has four great grandmother's. Two of them are your mother and your mother-in-law, but the other two are the grandparents of your daughter-in-law. You are not elated to the grandparents of your daughter-in-law.
Your grandparents.
niggiwawa
They would be the grandparents.
you call dutch gran parents oma(grandma) and opa(grandpa)
They would be your grandparents brother of sister
yes if your grandfather got remarried.
you call dutch gran parents oma(grandma) and opa(grandpa)