Your maternal grandfather's side of the family is referred to as your maternal grandfather's lineage or maternal grandfather's family.
Your mother's father is your maternal grandfather.
His paternal grandfather was Charles Martel. His maternal grandfather was Caribert of Laon.
Your mother's father.
maternal grandfather -maternal grandmother
Maternal Grandfather
grandfather. More specifically it would be the maternal grandfather.
Maternal: Lacedaemon Paternal: Abas
Ong Ngoai
His paternal grandfather was Abraham, while his maternal grandfather was a man named Bethuel (who was also Abraham's nephew).
Paternal Grandfather - Joe Flacco Maternal Grandfather - Tom Madden
The paternal grandfather of Aurangzeb was Jahangir, fourth Mughal Emperor of India. His maternal grandfather was Asaf Khan.