The Templesmith family is one of the 13 Patriarch Families of the Capitol. They are one of the more famous ones, and are a very rich group of people. The most notable member is Claudius Templesmith, the announcer of the Games.
Another member is the Head Gamemaker during 67 ADD-69 ADD. He was a very cruel gamemnaker during this times. Another member, was the announcer of the Games during its first stages. Eventually, Claudius would take over in 41 ADD.