was a cousin and adopted son of

Tsutsui Junkei son of Tsutsui Junshō, and a ''daimyō'' of the province of Yamato. On 1571, Junkei, through the offices of Akechi Mitsuhide, pledged to service of Oda Nobunaga. Military life Early in his career, in 1565, Matsunaga Hisahide, one of the most ...

, a feudal lord of the

Yamato province was a province of Japan, located in Kinai, corresponding to present-day Nara Prefecture in Honshū. Nussbaum, Louis-Frédéric (2005). "Yamato" in . It was also called . Yamato consists of two characters, 大 "great", and 和 " Wa". At first, th ...

. At the death of Junkei in 1584, he was relocated by

Toyotomi Hideyoshi , otherwise known as and , was a Japanese samurai and ''daimyō'' (feudal lord) of the late Sengoku period regarded as the second "Great Unifier" of Japan.Richard Holmes, The World Atlas of Warfare: Military Innovations that Changed the Cour ...

to Iga Province, where he built the

Iga Ueno Castle , also known as is a Japanese castle located in the city of Iga, Mie Prefecture in the Kansai region of Japan. The castle is also called , or "White Phoenix Castle," because of its beautiful architecture and floor plan. The castle has been protec ...

. In 1585, he participated at Hideyoshi

Invasion of Shikoku The was a conflict of the Sengoku period of Japan fought between Toyotomi Hideyoshi and Chōsokabe Motochika on the island of Shikoku in 1585. Hideyoshi invaded Shikoku with a force of over 100,000 men in June and led a campaign against the ...

against

Chōsokabe clan , also known as , was a Japanese samurai kin group. Over time, they were known for serving the Hosokawa clan, then the Miyoshi clan and then the Ichijo clan. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géograph ...

. In 1600, he took sides with the

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fello ...

in the Battle of Sekigahara. In 1608, however, he was removed from his position by the

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

, in an accusation of sloppy governance. In addition, the Tsutsui clan was forcefully abolished. The castle of Iga Ueno was accordingly taken over by

Tōdō Takatora was a Japanese ''daimyō'' of Tōdō clan from the Azuchi–Momoyama to Edo periods. He rose from relatively humble origins as an ashigaru (a light foot soldier) to become a ''daimyō''. Biography During his lifetime he changed his feudal ...

. In 1615, Sadatsugu was ordered by the Shogunate to commit suicide on charge of his secret communication with the people of

Osaka Castle is a Japanese castle in Chūō-ku, Osaka, Japan. The castle is one of Japan's most famous landmarks and it played a major role in the unification of Japan during the sixteenth century of the Azuchi-Momoyama period. Layout The main tower ...

during Winter Siege of Osaka. However, his son, Tsutsui Juntei was killed in action during

Summer Siege of Osaka The was a series of battles undertaken by the Japanese Tokugawa shogunate against the Toyotomi clan, and ending in that clan's destruction. Divided into two stages (winter campaign and summer campaign), and lasting from 1614 to 1615, the siege ...

. Later, the Tsutsui clan disappeared.

References

Samurai 1562 births 1615 deaths Oda retainers {{samurai-stub