Before revision: The Favorite – Grandfather and Grandson, by Georgios Jakobides (1890) Grandparents, individually known as grandmother and grandfather, are the parents of a person's father or mother – paternal or maternal.
After revision: or Grandma and Grandpa,The Favorite – Grandfather and Grandson, by Georgios Jakobides (1890) Grandparents, individually known as grandmother and grandfather, are the parents of a person's father or mother – paternal or maternal.