The branch of the family that passed on the Kobori Enshu school of tea ceremony originated with Enshu's younger brother Masayuki KOBORI when Masayuki succeeded to the family estate, and while the generations up to the sixth master, Masasato KOBORI, were a collateral line of descent, the seventh master, Masatsugu KOBORI, and the eighth master, Masayasu KOBORI, were adopted from the original family; thereafter, the line of descent has continued directly from Enshu.
小堀遠州流を伝える分家は遠州が家督を継ぐ時に弟小堀正行に分知したのが始まりで、6代政郷までは遠州傍系であったが、7代政報・8代政展は本家から迎えた養子であり、以来血脈としては遠州直系となる。