Important and influential members of the family include the co-founder of the Earthen Fire Refinery, Lao Beifong; his only daughter, Toph, a renowned earthbending master and the inventor of metalbending; her two daughters, Lin and Suyin, the Chief of Police in Republic City and matriarch of the city of Zaofu, respectively; and Baatar Jr., second-in-command of the military of the Earth Empire.