The word for calling her is "oma".
* If your husband's children have accepted you as a step-mother and you get along then you would not technically be their true grandmother; but, if his children want you to be part of their children's lives then yes, you could be a grandmother. The children may with to call his former wife 'grandmother; granny, grandma' but they could call you 'nanna; nanna Mary (by your Christian name) or may have a nickname for you.
The grandmother in Spanish is "la abuela"
The Dutch translation for grandmother is "grootmoeder" or "oma."
Grohs-mammi (That is the Ohio Pennsylvania Dutch dialect)
Your grandmother's grandmother is your great-great-grandmother.
Great Grandmother
Your grandmother's mother would be your great-grandmother.
Your grandmother's mother would be your great-grandmother.
what do the dutch call sumatra
She is your paternal grandmother.
Yes, a grandmother is a mother. A mother to her daughter. She is grandmother to her daughter's children.
In Marathi, you would call your grandmother "เคเคเฅ" (pronounced as "Aaji").