KK - Your grandmother sounds a lot like my grandmother. She was a member of the Resistance in Belgium, helping her father who was pretty high in the organization, and helped smuggle documents and papers from place to place (Nazi soldiers wouldn't necessarily stop and search a 14 year old girl running errands in the street).
Once, she was with a friend on a trolley, carrying illegal papers to someone, when the Nazis stopped the trolley. They had gotten word that soneone was smuggling documents on that train, and lined up the passengers and searched them one by one. About ten people down from her, they found papers on someone else, someone she didn't know. They pulled him out of line and shot him dead in the street, then let everyone else go. That's how close I came to not being here.
She also tells the story of having her groceries taken from her by a Nazi soldier one afternoon. Having very little money, and the bag of groceries representing quite a bit of money in occupied Brussels, she gt really mad, and - get this! - punched the soldier, grabbed a random bag of groceries from a pile they had been developing, and ran like heck! They didn't catch her, and she ended up with better groceries than she started with!
She, too, speaks many languages, including Esperanto! She came over as a war bride in 1946 (she and my grandfather didn't speak each other's languages when they started dating, so they used French-English dictionaries to communicate), and is my last living grandparent. I'm glad she's still with us, and my daughter will be able to know her, too.