Sakai Tadayo

Biographical Overview & Key Facts

Subject:

Sakai Tadayo

Role / Field:

Prominent Sengoku daimyō and high-ranking advisor who served the Tokugawa Shogunate.

Born:

1572-07-14

Died:

1636-04-24

Century / Era:

1572s Historical Era

Database Source:

2Day Chrono-Wiki & Wikipedia CC BY-SA 4.0

Origins & Early Life

Sakai Tadayo (酒井 忠世; July 14, 1572 – April 24, 1636) was a Japanese daimyō of the Sengoku period, and high-ranking government advisor, holding the title of Rōjū, and later Tairō. The son of Sakai Shigetada, Tadayo was born in Nishio, Mikawa Province; his childhood name was Manchiyo. He became a trusted elder (rōjū) in Toyotomi Hideyoshi's government, alongside Tokugawa Ieyasu. Under Hideyoshi, he was made lord of Kawagoe Castle (in Musashi Province, today Saitama Prefecture) and later of Nagoya Castle in Kyūshū's Hizen Province. In 1600, in the lead-up to the decisive Sekigahara campaign, he fought against the Tokugawa at Aizu, and submitted to them at the siege of Ueda.

Pivotal Works & Achievements

Thus, having joined the Tokugawa prior to the battle of Sekigahara itself, Sakai was made a fudai daimyō, and counted among the Tokugawa's more trusted retainers. He served under Ieyasu for a time, and under the second shōgun, Tokugawa Hidetada, as a hatamoto. Sakai's father died in 1617, and so he inherited his father's domain of Maebashi in Harima Province, which had been assessed at 33,000 koku, and was now changed to 85,000 koku by the shogunate. In 1632, following a shakeup of positions within the bureaucracy, Sakai became nishi no maru rusui, placing him in charge of the western districts of Edo Castle, the seat of the shogunal government. Two years later, the Western districts were burnt down while the shōgun was away in Kyoto.

Enduring Legacy & Impact

Sakai was stripped of his position, and exiled to Kan'ei-ji. Appealing to the Gosanke (the heads of the three branch families of the Tokugawa), Sakai was invited to return to the castle two years later, in 1636. Along with Doi Toshikatsu and Sakai Tadakatsu, he was appointed to the newly created post of Tairō (Great Elder). He died within weeks of being appointed, however, at the age of 64. His eldest son, Sakai Tadayuki, died around the same time, and so the next oldest son, Sakai Tadakiyo succeeded his father.

Chronological Milestones & Life Events

1. 1572 (1572-07-14): Birth of Sakai Tadayo — Prominent Sengoku daimyō and high-ranking advisor who served the Tokugawa Shogunate.
2. 1600: 1600 Milestone — In 1600, in the lead-up to the decisive Sekigahara campaign, he fought against the Tokugawa at Aizu, and submitted to them at the siege of Ueda.
3. 1617: 1617 Milestone — Sakai's father died in 1617, and so he inherited his father's domain of Maebashi in Harima Province, which had been assessed at 33,000 koku, and was now changed to 85,000 koku by the shogunate.
4. 1632: 1632 Milestone — In 1632, following a shakeup of positions within the bureaucracy, Sakai became nishi no maru rusui, placing him in charge of the western districts of Edo Castle, the seat of the shogunal government.
5. 1636 (1636-04-24): Passing & Historical Legacy — Sakai Tadayo passed away on 1636-04-24, leaving an enduring historical legacy.

Historical Fact-Check Quiz: Sakai Tadayo

True or False: “Did Sakai Tadayo remain in his position overseeing the western districts of Edo Castle after the fire in 1634?”

Answer (FALSE ❌): No, following the burning of the Western districts while the shogun was away, he was stripped of his position and exiled to Kan'ei-ji.

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Frequently Asked Questions about Sakai Tadayo