Changes

These were descendants of Ieyasu. They were in theory advisors to the shogun, but they did not have a place in the bureaucracy. One main purpose was to provide an heir to the shogunate if necessary.

These were descendants of Ieyasu. They were in theory advisors to the shogun, but they did not have a place in the bureaucracy. One main purpose was to provide an heir to the shogunate if necessary.

The Three Houses (''sanke'' 三家) were descendants of three of Ieyasu's sons, [[Tokugawa Yoshinao|Yoshinao]] ([[Owari Tokugawa clan]]), [[Tokugawa Yoshinobu (of Kii)|Yoshinobu]] ([[Kii Tokugawa clan]]), and [[Tokugawa Yorifusa|Yorifusa]] ([[Mito Tokugawa clan]]).  

The Three Houses (''sanke'' 三家) were descendants of three of Ieyasu's sons, [[Tokugawa Yoshinao|Yoshinao]] ([[Owari Tokugawa clan]]), [[Tokugawa Yorinobu|Yorinobu]] ([[Kii Tokugawa clan]]), and [[Tokugawa Yorifusa|Yorifusa]] ([[Mito Tokugawa clan]]).  

The Three Lords (''sankyô'' 三卿), Tayasu, Hitotsubashi, and Shimizu, were descended from two sons and a grandson of the shogun [[Tokugawa Yoshimune]].

The Three Lords (''sankyô'' 三卿), Tayasu, Hitotsubashi, and Shimizu, were descended from two sons and a grandson of the shogun [[Tokugawa Yoshimune]].