A couple of months back there was a post regarding Master Bow Sim Mark. Here are a couple clips of her.
http://www.youtube.com/watch?v=QeVuFUI1 ... re=related
Master Bow Sim Mark, mother of Donnie Yen, in a performance that combines the internal kung fu styles of tai chi, pa kua, and hsing yi, circa 1984.
http://www.youtube.com/watch?v=xqavWkID ... re=related
Master Bow Sim Mark of Boston's Chinese Wushu Research Institute, mother of Donnie Yen, demonstrates her Seven Star Sword form. This video was originally shot on Super 8 film sometime in the early 1980s
http://www.youtube.com/watch?v=OdsfTDCx ... re=related