Earth Monarch

Earth Monarch (土君主, Tsuchi Kunshu. Viz: Head of the Land), or  daimyō ((大名, English TV: Feudal Lord, Literally meaning: Great Name) is the leader of the Land of Earth. Monarch are responsible  for all decisions concerning their country, from alliances to the annual budget to the privileges allowed to the country's hidden village. Choosing the Tsuchikage, someone who is considered the strongest person in Iwagakure makes the Earth Monarch the most single important individual in the land.

Typically, a Monarch can either personally inherit the right to exercise the land's laws (often referred to as the throne or the crest of the Earth Kingdom) or is selected by an established process from a family or cohort eligible to provide the nation's monarch. Unlike the Tsuchikage, the Earth Monarch are not regarded as the strongest ninja in the land, suggesting that they do not fight.

Titles
These form of leaders exist in every land within the world, as such they bear a variety of titles, based on the current head's preference; king, queen, emperor, empress, etc. Immediate family members also bear titles if they are children and/or spouse of the ruler.

29th Earth Monarch
Kiyung Chō (チョウキョン, Chō Kiyung) was the 29th Earth Monarch. He was in charge of the Land of Chikyū  before the warring states period and founding of hidden villages, leading both non-shinobi and shinobi forces and hiring various clans to help aid in battle. Near the end of his life, he approved of the founding of hidden villages, approving Iwagakure and The First Tsuchikage.

30th Earth Monarch
Koruku (コルク,Koruku) was the 30th Earth Monarch. He is partially responsible of the instigating wars with the Five Great Nations. Years later, he was seen protected along with the other Feudal Lords from other lands during the Fourth Ninja War. After the war, the latter had passed away from an illness

31st Earth Monarch
Jet Komugi(小麦ジェット, Komugi Jetto) was the 31st Earth Monarch. He was the assistant and nephew of Koruku and general commander of the non-shinobi forces. Aspiring to become the Earth Monarch through any means, Jet had poisoned Koruku's drink which led to his untimely death. Jet ruled the land with absolute monarchy, different from his successor; known to hoard the land's finances which even caused Iwagakure's citizens to suffer. He was eventually assassinated and the title was passed onto Sakui Urimei.

32nd Earth Monarch
Sakui Urimei (うりめい咲井, Urimei Sakui) is the current Earth Monarch of the Land of Earth as well as the head of the Takeo Clan. He became Iwagakure's Eighth Tsuchikage (世代目土影, Sedaidaime Tsuchikage, Viz: Eighth Earth Shadow) after being undecisive on who to carry the mantle after Sabi's disappearance, deciding to role the entire land with absolute Monarchy.

Royal Family
The Royal Family is the immediate family of the current Earth Monarch, Sakui Urimei. Its members include: Sakui Urimei (King), Yi Tsuchigumo (Prince), Yao Takeo (Prince), Tê Takeo (Princess)