The origins of the Saxophone
The saxophone family

Originally there were 14 members of the saxophone family. In fact, Adolphe Sax conceived of an orchestra consisting solely of saxophones, and so he made saxophones in a range of sizes, from the sopranino in the high range to the contrabass in the low range. As a group, these instruments have a range that spans two and a half octaves.
Yet today, there are only five types in widespread use. In pitch order from high to low, they are the soprano, alto, tenor, baritone, and bass.
Adolphe Sax also invented the saxhorn, a brass instrument with valves, but this is not a member of the saxophone family.

The saxophone family