Arima Haruzumi (有馬晴純, 1483 – March 19, 1566) was a Japanese feudal lord in the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

Biography

Initially known as Arima Sadazumi, he held the title of ''Shuri-dayu'' and a position in the '' shobanshu'', the private guard of the

Shogun , officially , was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamakur ...

. His tenure as lord had the Arima at the height of their power, controlling trade in the strategically important Shimabara Peninsula, near modern-day

Nagasaki is the capital and the largest city of Nagasaki Prefecture on the island of Kyushu in Japan. It became the sole port used for trade with the Portuguese and Dutch during the 16th through 19th centuries. The Hidden Christian Sites in the ...

. Ashikaga Yoshiharu, the 12th Ashikaga shōgun, recognizing his strategic importance and strength, allowed him to take a character from his name and call himself "Haruzumi." In 1546 he attacked Ryuzoji Iekane's Mizu-ga-e Castle, and while he captured it, Iekane led a counterattack after a mere two months, recapturing it. After this, Haruzumi gave his second son in adoption to the Omura clan, and it was this son who would become Ōmura Sumitada. In the course of his tenure as lord, Haruzumi clashed with many local ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...

s'' such as the

Goto GoTo (goto, GOTO, GO TO or other case combinations, depending on the programming language) is a statement found in many computer programming languages. It performs a one-way transfer of control to another line of code; in contrast a function ca ...

, Hirai, Matsuura, Omura, Saigo, and Taku. He soon on expanded the

Arima Arima, officially The Royal Chartered Borough of Arima is the easternmost and second largest in area of the three boroughs of Trinidad and Tobago. It is geographically adjacent to Sangre Grande and Arouca at the south central foothills of th ...

to control five districts of Hizen Province. As a result of his military conquests and political maneuvering, Haruzumi was able to control all of Hizen Province by way of political maneuvering. In his later years, Portuguese vessels began to appear in the waters controlled by the Arima, and the family profited from foreign trade. While Christianity spread greatly, Haruzumi did not like the faith, and persecuted it. His son Yoshisada succeeded him. Daimyo 1483 births 1566 deaths {{Daimyo-stub