Kitsuchi

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

Shinobi World War Arc
During the Fourth Great Shinobi World War, he was appointed as the commander of the Second Division of the Allied Shinobi Forces, the Short-Range Battle Division.

Trivia

 * "Kitsuchi" means "Yellow Earth".