Hojo Clan

The family behind the first shogun, rising from exile to rule as regents during the Kamakura period.

The Hojo Clan is central to the life of Minamoto no Yoritomo, the founder of Japan's first shogunate. While often associated with Odawara in later eras, their historical significance here begins with Hōjō Tokimasa and his daughter, Hōjō Masako. Yoritomo married Masako during his exile in Izu Province under the guardianship of Hōjō Tokimasa, forging an alliance that proved critical to his survival and rise to power. This union connected the Minamoto leadership directly to the Hojo family, whose influence grew immensely after Yoritomo's death when Masako acted as a powerful figure, though not as official shikken—that title belonged to her father Tokimasa and later other Hōjō men. The clan's roots are deep in the Kamakura period, emerging from the chaos of the Genpei War to shape a feudal age that lasted until the Kamakura shogunate fell in 1333.

Lore & Background

The Hojo clan's story is inseparable from Minamoto no Yoritomo's journey. After being exiled to Izu Province under the guardianship of Hōjō Tokimasa following his father Yoshitomo's execution in 1160, Yoritomo found refuge with the Hōjō family. He married their daughter, Hōjō Masako (born 1156), an alliance that secured him vital support during the Genpei War (1180–1185). While Yoritomo led his clan against the Taira from Kamakura, winning the decisive Battle of Dan-no-ura in 1185, it was Masako who ensured continuity.

After Yoritomo's death on February 9, 1199, she stepped forward as a powerful regent-like figure, though the official title of shikken was held by her father Hōjō Tokimasa and later other Hōjō men. The Hojo influence was so profound that even after the shogunate's founding in 1192, they remained the power behind the throne, guiding the Minamoto heirs like Yoriie and Sanetomo through a turbulent era of samurai supremacy until the Kamakura shogunate fell in 1333.

Reader's Guide

To understand the Hojo in this historical context, focus on their relationship with Minamoto no Yoritomo. They are not a separate warlord faction but the kin who enabled his rise. Key figures include Hōjō Tokimasa, the father, and Hōjō Masako (1156–1225), the wife and later regent. The Hojo's power peaked after Yoritomo's death in 1199, when Masako took control as shikken. Their influence is tied to specific dates: Yoritomo's birth on May 9, 1147; his marriage to Masako during exile; the founding of the shogunate in 1192; and the death of Yoritomo in 1199. The clan's role was pivotal in maintaining the Minamoto line through sons like Yoriie (born September 11, 1182) and Sanetomo (born September 12, 1192).

Did You Know?

Hōjō Masako, born in 1156, acted as a powerful figure after her husband Yoritomo's death in 1199, but the official title of shikken was held by her father Hōjō Tokimasa and later other Hōjō men.
The first shogunate (bakufu) was established by Yoritomo in 1192, with Kamakura as its center, marking the start of the feudal age that lasted until the Kamakura shogunate fell in 1333.
Yoritomo died on February 9, 1199, just two days after being ordained a Buddhist monk named Bukōshōgendaizenmon.
The Kamakura-period Hojo clan's influence ended in 1333; the later Odawara Hojo clan is a separate lineage.

Imperial Origins and Early Adversity

The Hojo connection begins with Yoritomo's exile. Born on May 9, 1147, as the third son of Minamoto no Yoshitomo, Yoritomo was exiled to temples after his father's betrayal and death in 1160 during the Heiji Rebellion. It was during this period of exile that he married Hōjō Masako, daughter of Hōjō Tokimasa. This alliance provided him with a safe haven while the Taira clan dominated Kyoto. The source notes that Yoritomo grew up in exile, marrying into the Hojo family, which became his lifeline. His childhood name was Oniwakamaru, and he was a descendant of Emperor Seiwa through the Kawachi Genji line. The Hojo's support allowed him to re-emerge as a leader when Prince Mochihito issued a call to arms in 1180.

Rise to Power and the Genpei War

The Hojo clan was instrumental during the Genpei War (1180–1185). After Yoritomo's defeat at Ishibashiyama in September 1180, he fled to Awa Province, where his alliance with the Hojo helped him raise a new army. While his brothers Yoshitsune and Noriyori fought battles against the Taira, Yoritomo maintained his base in Kamakura, protected by his Hojo connections. The war ended in 1185 with the Battle of Dan-no-ura, where the Minamoto defeated the Taira. Throughout this conflict, Hōjō Masako remained a key figure, though her role as regent came later. The source emphasizes that Yoritomo established the first shogunate (bakufu) in Kamakura, marking the start of the feudal age, with the Hojo family serving as his primary allies.

Founding of the Kamakura Shogunate

In 1192, Yoritomo became the first shogun, holding de-facto power over Japan. This milestone was made possible by the support of the Hojo clan, particularly through Hōjō Masako. The source states that after Yoritomo's death on February 9, 1199, Masako acted as regent (shikken), effectively ruling in place of her sons. The Hojo's influence was so strong that they ensured the continuation of the shogunate even when the Minamoto male line struggled. Yoritomo's son Yoriie succeeded him but died young in 1204, followed by Sanetomo who ruled until 1219. The Hojo's role as regents allowed them to control the shogunate for decades after Yoritomo's passing.

Family Dynamics and Spiritual Legacy

The Hojo family's legacy is defined by Hōjō Masako, who married Yoritomo and became the power behind the Kamakura shogunate. The source lists their children: Ohime (born 1178), Yoriie (born September 11, 1182), Mihata (born 1186), and Sanetomo (born September 12, 1192). Masako's role as regent after Yoritomo's death in 1199 is highlighted as a turning point. The source also mentions other concubines like Kame no Mae and Daishin no Tsubone, but the Hojo connection through Masako remains central. Yoritomo died at age 51, two days after being ordained a monk with the name Bukōshōgendaizenmon. His death marked the beginning of the Hojo's direct rule as regents.