How many large clan legions are there in World of Warcraft tribal orcs?

Violent clan: Gourdain

Blackstone family: Blackham

Black tooth family: red/mystery

Clan of King Lei: ogrim doomhammer/Fenris.

Frost Wolf Tribe: durotan/Dakta/Saar

Warsong Tribe: grom hellscream

Blood Cave Team: Kilrog deadeyes

Broken palm clan: Carges's fist blade

Dragon Throat Clan: Zuluhed/Nekros Broken Bone.

Twilight: Kojiaer

Chewing bone family: Taga