was a Japanese

samurai The samurai () were members of the warrior class in Japan. They were originally provincial warriors who came from wealthy landowning families who could afford to train their men to be mounted archers. In the 8th century AD, the imperial court d ...

and military commander of the

Sengoku period The was the period in History of Japan, Japanese history in which civil wars and social upheavals took place almost continuously in the 15th and 16th centuries. The Kyōtoku incident (1454), Ōnin War (1467), or (1493) are generally chosen as th ...

. He was the lord of the Obama Castle. Sadatsuna belonged under the command of Tamura Kiyoaki. But Sadatsuna switched from the Tamura clan to the Ashina clan and he became independent of the Tamura clan. Later, he served the

Date clan The is a Japanese samurai kin group.Edmond Papinot, Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2003)"Date", ''Nobiliare du Japon'', p. 5 retrieved 2013-5-5. History The Date fam ...

and became a senior retainer.

References

Samurai 1545 births 1610 deaths {{Samurai-stub