Kitsuchi

is the shinobi from Iwagakure and the father of Kurotsuchi, presumable making him the son or son in-law of the Third Tsuchikage.

Confining the Jinchūriki Arc
During the Fourth Great Shinobi World War, he acts as the general of the Second Division of the Allied Shinobi Forces, the Close Range Battle Division.

Trivia

 * "Kitsuchi" means "Yellow Earth".