Lady Tsukiyama

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Lady Tsukiyama
Gakkutsu-byō, Lady Tsukiyama's mausoleum at Seirai-in in Hamamatsu, Shizuoka.
Died 1579
Totomi, Japan
Resting place Seirai'in Temple
Spouse(s) Tokugawa Ieyasu
Children Matsudaira Nobuyasu (son)
Kamehime (daughter)
Relatives Imagawa clan
Tokugawa clan

Lady Tsukiyama or Tsukiyama-dono (築山殿?) (d. 1579) was the wife and chief consort of Tokugawa Ieyasu, the founder and first shogun of the Tokugawa shogunate. She was the mother of Ieyasu's eldest son and heir apparent, Matsudaira Nobuyasu.


Lady Tsukiyama was the daughter of an Imagawa retainer, Sekiguchi Chikanaga. Her mother was one of Imagawa Yoshimoto's sisters, thus making Lady Tsukiyama Yoshimoto's niece. She was also known as Sena (瀬名?) before she married Tokugawa Ieyasu.

In January of 1557, Lady Tsukiyama married Tokugawa Ieyasu. The marriage was arranged by her uncle, Imagawa Yoshimoto, ostensibly to help cement ties between the Imagawa clan and the Tokugawa clan, respectively. Two years later, on 13 March 1559, she gave birth to his eldest son, Matsudaira Nobuyasu.[1]

Tsukiyama was erratic by nature, and was completely indifferent to affairs of state. Nothing entered her mind other than her own daily life and the attentions of her husband. She was jealously devoted to her husband, but she could be selfish in her motives and blind to consequences. In 1560, she gave birth to a daughter, Kamehime.

When Ieyasu moved to Hamamatsu in 1570, he left Lady Tsukiyama and their eldest son at Okazaki Castle. During this time, he had started an affair with Lady Saigo. In 1573, one of Tsukiyama's maid servants, Oman, became pregnant by her Ieyasu. Oman bore him a son, Hideyasu, though Ieyasu was slow to claim lest it anger his wife.

Because Nobuyasu had no sons by his wife Tokuhime, a daughter of Oda Nobunaga, Lady Tsukiyama decided to procure a daughter of a Takeda retainer for her son's concubine. Seeing this and all of the conflicts that her mother-in-law made against her, Tokuhime sent a letter to his father, telling him that Lady Tsukiyama was conspiring with the Takeda clan against the Oda clan. Oda Nobunaga informed Ieyasu of this letter, and as a show of good faith and loyalty, and to preserve the Oda-Tokugawa alliance, Ieyasu ordered his wife executed. Ieyasu eventually ordered his son Nobuyasu, who was Confined at Futamata Castle (now Tenryū Ward, Hamamatsu), to commit suicide (seppuku). Ieyasu stated that he knew Nobuyasu would feel obligated to avenge his mother's death, due to his strong obedience to his late mother.

On 9 September 1579, Lady Tsukiyama was beheaded on the shore of Lake Sanaru, in Hamamatsu. Her primary grave is at Seiryū temple (清流寺) in Tenryu ward, Hamamatsu. Her head was sent to Okazaki and interred at Yūden temple (祐傳寺); during the Tenpō era (1830–1844) it was transferred to Hachioji Shrine (八王子神社).


  1. Totman, Conrad (1983). Tokugawa Ieyasu, shogun : a biography. Heian. p. 32. ISBN 9780893462109.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>