From whom did the grandma learn juggling?

From the text:

My most vivid memories are of her hands: long, elegant fingers, with impeccable nails, a skein of fine, barely-seen veins, and wrinkled skin like light pine. Those hands were quick when she taught me, at six, simple tricks of juggling, learnt when she was a village girl in Southern Canton; a troup of actors had stayed on her father’s farm.