For example, the post called Sakyo no daibu (Master of the Eastern Capital Offices) used to be a one which was only given to the four specific families called Shishiki-ke (four administrators' family: Yamana, Isshiki, Akamatsu, Kyogoku) among all the daimyo, however, during the Sengoku period even a low rank daimyo in a rural area was awarded the post and sometimes multiple daimyos were awarded at the same time.
たとえば左京大夫は大名中でも四職家にしか許されない官であったが、戦国期には地方の小大名ですら任じられるようになり、時には複数の大名が同時期に任じられることもあった。