She is a grandmother.
I think you are getting your genders mixed up. Female = Grandmother.Male = Grandfather.
Your grandfather's father is your great grandfather.
Grandfather is called Daada and Grandmother is called Daadi
A monk, whose name is Gregor Mendel, is called the grandfather of genetics.
Your maternal grandfather's side of the family is referred to as your maternal grandfather's lineage or maternal grandfather's family.
Prince Albert Scruse was his grandfather's name, his paternal grandfather was called Samuel Jackson.
Grandfather's clock has a swinging part called a, "Pendulum". (PEN dyoo-lumm)
Dam is a female mother when referring to domestic animals and livestock. Sire is the male.It's possible that you mean damsire, a female's grandfather.
younger female cousin (sharing paternal grandfather)
Your Grandfather.
Your Grandfather.
The term for great grandfather in Sanskrit is प्रपीतामहः (prapītāmahaḥ).