Yes, I knew Anna quite well, and I can tell you before you even ask that she definitely wrote the six cello suites in 1721 because Bach told me so; and he also said that she could out-write him on any stringed instrument… “NO question!”, he would yell it out.
They had 13 children, yet she was buried at Leipzig in a pauper’s grave and was never recognition for her genius… go figure.
Were They Strong?,