Changes

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.

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 [[battle of Nagashino|Nagashino]] in 1575.

==References==

==References==