What four orchestral families are found in the orchestra?

1) String Family: Violins, Violas, Cellos, Double Bass

2) Woodwind Family: Flutes, Oboes, Clarinets, Bassoons

3) Brass Family: Trumpets, Trombones, French Horns, Tubas

4) Percussion Family: Drums, Cymbals, Xylophones, etc.