How to explain the European medieval proverb The vassals of my vassals are not my vassals and its

It is about the history of France, hierarchical, influential.

This is what was said during slavery in ancient Rome, which means that a manages B, C is governed by B, but A has no right to manage C.

The meaning of this sentence is: my vassals are not my vassals, because my vassals do not obey my commands, I can only command my vassals, not my vassals, to put it simply, your father's father is not your father, and this sentence refers to the time of European slavery, when the emperor gave the land to the big feudal lords (these are often some people who have great merit in the war), they have to provide troops to the emperor, and then the next level is the small feudal lords, and they have to provide money to the big feudal lords. The last level is the slaves, they often provide food to the small feudal lords and have to pay money, which is like a tower of gold, but each of their levels only recognizes their superiors, for example, slaves are not the emperor, they are their patrons. This is not the same as in China.

So a vassal called my vassal is not my vassal....

My subordinates are not under my control, and that's about it.

It means that my subordinates are not my subordinates.

In this sense, the vassals of my vassals are not my vassals.

It's a matter of attribution, not behavior. While you can command your vassals, let him command his vassals. But the vassals of your vassals do not belong to you. He doesn't necessarily follow your commands.

In ancient times, vassals referred to small states attached to large countries, but today they refer to countries that are manipulated by other countries.

Literally, while I can't directly command the country under the jurisdiction of my subject, isn't it the same if I let my subject command his subject? It's just a different form.

It can be likened to: Although I cannot directly command my son's son, then I let my son command his son is not the same? It's just a different form.

This sentence is the best embodiment of the political system of medieval Europe, and the meaning of this sentence is: my vassals are not my vassals, because the vassals of my vassals do not obey my commands, I can only order my vassals, but not my vassals. This system caused the chaos of the political situation in Western Europe at that time, and the rise of clergy, which was one of the conditions for the emergence of the later Renaissance!

If there are three abc. b is a vassal of a. c is a vassal of b. A doesn't care, and you don't have to listen to A.

It's European feudalism, not European slavery.

It's not who said it, it's the political peculiarities of feudal society in Western Europe.