The , descended from the Emperor Uda

Emperor Uda

was the 59th emperor of Japan, according to the traditional order of succession.Uda's reign spanned the years from 887 through 897.-Name and legacy:Before his ascension to the Chrysanthemum Throne, his personal name was or Chōjiin-tei....

 (868-897) by the Sasaki clan

Sasaki clan

are a historical Japanese clan. - Brief history :They are descended directly from Emperor Uda by his grandson Minamoto no Masanobu , but were adopted by the Seiwa Genji...

 (Uda-Genji).

Sasaki Takahisa in the 14th century, having lost his parents at the age of three years, he was brought up by a nun ( ama in Japanese). He was the first to take the name of Amago (nun's son) in her memory.

The Amago fought the Ōuchi clan or the Mōri clan

Mori clan

The Mōri clan was a family of daimyō, descended from Ōe no Hiromoto and established themselves in Aki Province. Their name was derived from a shōen in Mōri, Aikō District, Sagami Province. The generation of Hiromoto began to name themselves Mōri.After the Jōkyū War, Mōri was appointed to the jitō...

 (who had been among their vassals), during Japan's Sengoku period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

.

Amago Tsunehisa (1458-1541), great grandson of Takahisa inherited from his father Kiyosada and his grandfather Mochihisa the office of shugo

Shugo

was a title, commonly translated as "Governor," given to certain officials in feudal Japan. They were each appointed by the shogun to oversee one or more of the provinces of Japan...

of Izumo Province

Izumo Province

was an old province of Japan which today consists of the eastern part of Shimane Prefecture. It was sometimes called . The province is in the Chūgoku Region.- History :It was one of the regions of ancient Japan where major political powers arose...

 and resided at the castle of Toda.

For much of the next hundred years, the clan battled with the Ōuchi and Mōri, who controlled neighboring provinces, and fell into decline when Tomita castle fell to the Mōri in 1566.

Amago Katsuhisa

Amago Katsuhisa

was a remnant of the Amago clan, a powerful feudal clan in the Chūgoku region, Japan; backed-up by Yamanaka Yukimori, a vassal of the clan.He was born to Amago Masahisa in 1553. In the following year, Katsuhisa's father and grandfather were killed by Amago Haruhisa, leading Katsuhisa to become a...

 tried to regain prestige for the clan by joining the forces of Oda Nobunaga

Oda Nobunaga

was the initiator of the unification of Japan under the shogunate in the late 16th century, which ruled Japan until the Meiji Restoration in 1868. He was also a major daimyo during the Sengoku period of Japanese history. His opus was continued, completed and finalized by his successors Toyotomi...

, invaded Tajima

Tajima Province

was an old province of Japan in the area that is today northern Hyōgo Prefecture. It was sometimes called . Tajima bordered on Harima, Inaba, Tamba, and Tango provinces....

 and Inaba

Inaba Province

was an old province of Japan in the area that is today the eastern part of Tottori Prefecture. It was sometimes called . Inaba bordered on Harima, Hōki, Mimasaka, and Tajima Provinces.-History:The ancient capital, and the castle town, were at Tottori city...

 provinces, but was defeated and died in the Siege of Kōzuki

Siege of Kozuki

The occurred in 1578, when the army of Mōri Terumoto attacked and captured the castle of Kōzuki in Harima Province. Kōzuki had been taken by Toyotomi Hideyoshi the previous year and entrusted to Amago Katsuhisa. When it fell to the Mōri, Amago committed hara-kiri...

 by the Mōri in 1578.

Members

• Amago Kiyosada (d. 1487)
• Amago Tsunehisa
  Amago Tsunehisa
  was a powerful warlord who gained the hegemony in Chūgoku region, Japan starting as a vassal of the Rokkaku clan. He ruled the domains of Inaba, Hōki, Izumo, Iwami, Oki, Harima, Mimasaka, Bizen, Bitchū, Bingo, and Aki....
  
   (1458-1541)
• Amago Hisayuki (d. 1541)
• Amago Masahisa (1488-1513)
• Amago Okihisa
  Amago Okihisa
  was the third son of Tsunehisa. His childhood name was Hikoshirō . He also called himself for the domain he ruled.He received Enya of east Izumo Province and used Mount Yōgai for his castle. Like his elder brother Kunihisa, he was skilled in warfares. Not satisfied with the size of his domain,...
  
   (1497-1534)
• Amago Haruhisa
  Amago Haruhisa
  was a powerful warlord in Chūgoku region, Japan. He is the second son of Amago Masahisa. Initially named Akihisa , he changed his name to Haruhisa in 1541 after Ashikaga Yoshiharu offered to let him use a kanji from his name....
  
   (1514-1562)
• Amago Kunihisa
  Amago Kunihisa
  was a son of Tsunehisa.Kunihisa's faction was named Shingūtō after the town, Shingu where it was based. He had been called "On the military matters, he is like a kami and a oni" from his father, Tsunehisa. But he often looked down on those who did not do well on the battlefield and was obnoxious...
  
   (d. 1554)
• Amago Masahisa (d. 1554)
• Amago Katsuhisa
  Amago Katsuhisa
  was a remnant of the Amago clan, a powerful feudal clan in the Chūgoku region, Japan; backed-up by Yamanaka Yukimori, a vassal of the clan.He was born to Amago Masahisa in 1553. In the following year, Katsuhisa's father and grandfather were killed by Amago Haruhisa, leading Katsuhisa to become a...
  
   (1553-1578)
• Amago Yoshihisa
  Amago Yoshihisa
  was a daimyō of Izumo Province.He was the eldest son of Haruhisa and he and was given the childhood name of . After his father's sudden death on 1560, he became the head of the clan to continue the fight against the Mōri clan. While besieged in Toda Castle, Yoshihisa had a retainer, Moriyama...
  
   (1540-1610)

Retainers and Vassals

The Amago's chief generals were called Amago 10 Yushi (尼子十勇士).

• Yamanaka Yukimori
  Yamanaka Yukimori
  , also known as Yamanaka Shikanosuke or Shikasuke , was a Japanese samurai of the Sengoku period, who served as a retainer to the Amako clan. Born under a crescent moon, he is known as the samurai of the crescent moon.-Further reading:...
  
   (1544-1578)
• Akiage Iorinosuke
• Yokoji Hyogonosuke (d. 1570)
• Ueda Saenosuke
• Teramoto Seishinosuke
• Motomo Dorinosuke
• Kogura Nezuminosuke
• Fukada Doronosuke
• Hayakawa Ayunosuke
• Yabunaka Ibaranosuke