During the Jokyo era, Sakai family had a vassal who possessed 1,000 koku but whose legitimate son did not possess enough merit to become head of the family, and what is worse, the vassal did not have any other son to disinherit the son.
貞享の折、ある時酒井家に1,000石を領す家臣がいたが、その嫡男は不出来の人で家督とするには心もとなく、廃嫡してもその他に息子もいなかった。