Kojunin gashira and Kojunin banto were basically selected from those belonging to hatamoto yoriaiseki (a family rank of high-ranking hatamoto, direct vassal of the shogun) whose annual stipend assessed on the basis of a crop was 1,000 koku (of rice) (a unit of volume: rice 1-koku is 180.39 liter, lumber 1-koku is 0.278 cubic meter) or over (Their yakudaka [salary paid in accordance with the rank of one's post] based on tashidaka system [a wage system established by the Edo bakufu] was 1,000 koku.).
主に1,000石以上の旗本寄合席から選ばれた（足高の制による役高は1,000石）。