Minamoto no Sanetomo

Quick Facts: Who was Minamoto no Sanetomo?

Subject:

Minamoto no Sanetomo

Known for:

Third Shōgun of the Kamakura shogunate, a samurai and accomplished waka poet.

Born:

1192-09-17

Died:

1219-02-13

Century / Era:

1192s Historical Era Archive

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

Minamoto no Sanetomo (源 実朝; Kyujitai: 源 實朝󠄁; Japanese pronunciation: [mʲi.na.mo.to no (|) sa.ne.to.mo], September 12, 1192 – February 13, 1219, r. 1203–1219) was a Japanese samurai, daimyo and the third shōgun of the Kamakura shogunate. He was the second son of the Kamakura shogunate founder, Minamoto no Yoritomo. His mother was Hōjō Masako and his older brother was the second Kamakura shogun Minamoto no Yoriie. His childhood name was Senman (千万).

Career & Major Achievements

He was the last head of the Minamoto clan of Japan. His Dharma name was Daijijiden seini'i goshoko jingi (大慈寺殿正二位丞相公神儀). He was an accomplished waka poet. After the death of Yoritomo in 1199, Sanetomo's maternal grandfather Hōjō Tokimasa usurped the political and military power of the Shogunate, relegating the position and title of Sei-i Taishōgun, or shōgun, to a figurehead. Through hereditary succession, Sanetomo's older brother Yoriie became Sei-i Taishōgun in 1202, only to be stripped of the title a year later and put under house arrest for plotting against the Hōjō clan.

Enduring Legacy & Impact

This was presumably to keep the shōgun a child and thus needing a regent (shikken) to make decisions in his place. Shortly thereafter, in 1203, Sanetomo became head of the Minamoto clan and was appointed Sei-i Taishōgun. A year later, Yoriie was assassinated by the Hōjō. Sanetomo was never more than a puppet for his mother Hōjō Masako and maternal uncle Hōjō Yoshitoki, who used him as a pawn in their war with their father Tokimasa; Tokimasa tried to depose his grandson a number of times, beginning in 1205, causing Sanetomo to fear for his life thereafter. Sanetomo, understanding his own powerlessness and not wanting to meet the same fate as his elder brother, put his time and energy into writing waka poetry and gaining posts within the powerless but honorary imperial court.

Chronological Milestones & Life Events

1. 1192 (1192-09-17): Birth of Minamoto no Sanetomo — Third Shōgun of the Kamakura shogunate, a samurai and accomplished waka poet.
2. 1199: 1199 Milestone — After the death of Yoritomo in 1199, Sanetomo's maternal grandfather Hōjō Tokimasa usurped the political and military power of the Shogunate, relegating the position and title of Sei-i Taishōgun, or shōgun, to a figurehead.
3. 1202: 1202 Milestone — Through hereditary succession, Sanetomo's older brother Yoriie became Sei-i Taishōgun in 1202, only to be stripped of the title a year later and put under house arrest for plotting against the Hōjō clan.
4. 1203: 1203 Milestone — 1203–1219) was a Japanese samurai, daimyo and the third shōgun of the Kamakura shogunate.
5. 1205: 1205 Milestone — Sanetomo was never more than a puppet for his mother Hōjō Masako and maternal uncle Hōjō Yoshitoki, who used him as a pawn in their war with their father Tokimasa; Tokimasa tried to depose his grandson a number of times, beginning in 1205, causing Sanetomo to fear for his life thereafter.
6. 1219 (1219-02-13): Passing & Historical Legacy — Minamoto no Sanetomo passed away on 1219-02-13, leaving an enduring historical legacy.

Historical Fact-Check Quiz: Minamoto no Sanetomo

True or False: “Minamoto no Sanetomo was assassinated by his adopted heir and nephew, Kugyō, after participating in a ceremony celebrating his nomination to Udaijin.”

Answer (TRUE ⭕): The text explicitly states that Kugyō came out from beside the stone stairway of the shrine and assassinated him following this ceremony.

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Frequently Asked Questions about Minamoto no Sanetomo