What does ggm stand for?

ggm stands for "Great grandmother: the mother of person's grandparent"

How to abbreviate "Great grandmother: the mother of person's grandparent"?

"Great grandmother: the mother of person's grandparent" can be abbreviated as ggm

What is the meaning of ggm abbreviation?

The meaning of ggm abbreviation is "Great grandmother: the mother of person's grandparent"

What does ggm mean?

ggm as abbreviation means "Great grandmother: the mother of person's grandparent"