The Sakai of Mikawa Province were related to the Matsudaira, whom they served during the Sengoku period. They became one of the chief retainer families of Tokugawa Ieyasu and were represented by a number of branches.
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The Sakai of [[Mikawa province]] were related to the [[Tokugawa clan|Matsudaira clan]], whom they served during the [[Sengoku Period]]. They became one of the chief retainer families of [[Tokugawa Ieyasu]] and were represented by a number of branches.