The father's parents are the paternal grandparents. The mother's parents are the maternal grandparents.
They are your grandparents.
Every person had parents and grandparents.
Great-Grandparents
Your grandparents are your mother's or father's parents.
Grandparents
It is a very common type of glaucoma, it happens to every elderly person who suffers from chronic disease. Here the eye pressure gradually increases over time and starts damaging the optic nerve. But the patient won't feel it. The open-angle glaucoma is pretty generic. It means you will be at higher risk if your parents or grandparents had open-angle glaucoma. The outcome of optic nerve damage is patients see a blind spot in their vision.
Usually the grandparents are older.
His parents were Pietist missionaries, and his maternal grandparents were religious publishers.
"Grand Parents" would be parents that would very good, so a simple sentence could be: She had grand parents. You probably meant grandparents, which are the parents of parents, so a sentence for that could be: Her grandparents loved her.
Atlas and Pleione or Aethra are the parents of Maia, and thus maternal grandparents of Hermes. Kronos and Rhea are the parents of Zeus, thus the paternal grandparents of Hermes.
extended family do include parents children and occasionally grandparents.