Changes

* ''Death: [[1582]]

* ''Death: [[1582]]

* ''Distinction: [[Tokugawa clan|Tokugawa]] retainer

* ''Distinction: [[Tokugawa clan|Tokugawa]] retainer

* ''Sons: [[Okubo Tadayo]], [[Okubo Tadasuke]], Tadatame (1554-1616), Tadanori (1560-1639)

* ''Sons: [[Okubo Tadayo]], [[Okubo Tadasuke]], [[Okubo Tadatame]] (1554-1616), [[Okubo Tadataka]] (1560-1639)

Tadakazu was a son of [[Okubo Tadahiro]]. He served [[Matsudaira Hirotada]] and [[Tokugawa Ieyasu]] and was active in the latter's struggles against the monto of [[Mikawa province|Mikawa]] after [[1561]]. While the young Ieyasu was a hostage of the [[Imagawa clan|Imagawa]], Tadakazu worked effectively to help keep his clan together in his absence.  

Tadakazu was a son of [[Okubo Tadahiro (Sengoku)|Okubo Tadahiro]]. He served [[Matsudaira Hirotada]] and [[Tokugawa Ieyasu]] and was active in the latter's struggles against the monto of [[Mikawa province|Mikawa]] after [[1561]]. While the young Ieyasu was a hostage of the [[Imagawa clan|Imagawa]], Tadakazu worked effectively to help keep his clan together in his absence.  

==References==

==References==