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. | 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. |