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, 15:31, 11 November 2007
* ''Died: [[1575]]''
* ''Titles: Buzen no kami''
* ''Other names: Okabe Chûbei''
* ''Distinction: [[Imagawa clan|Imagawa]], [[Takeda clan (Kai)|Takeda]] retainer''
Sadatsuna originally served the Imagawa and was known as Okabe Chûbei. He joined [[Takeda Shingen]] and adopted the name by which he is better known. He was something of a naval commander and had 12 vessels under his control, though he would be killed fighting on the ground at [[Nagashino]] in 1575.
==References==
{{biodict}}
[[Category:Samurai]][[Category:Sengoku Period]]