What family is sulfur in?

According to http://www.scienceclarified.com/Oi-Ph/Oxygen-Family.htlm:

The oxygen family consists of the elements that make up group 16 on the Periodic Table: oxygen, sulfur, selenium, tellurium, and polonium. These elements all have six electrons in their outermost energy level, accounting for some common chemical properties among them. In another respect, the elements are quite different from each other. Oxygen is a gaseous nonmetal; sulfur and selenium are solid nonmetals; tellurium is a solid metalloid; and polonium is a solid metal.