My oldest grand son always called me grandma Sherri His sisters started calling me that but with texting they call me gma weither their texting or talking to me my other grandkids just call me grandma my mother in law was called pink grandma by all her great grandkids I know a family that has grandma1 grandma 2 and 3 grandma don't know way she wasn't grandma 3 but for some reason they usually call her 3 grandma