this post was submitted on 17 Sep 2023
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DIYRPG Worldbuilding

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Unfortunately, most of the time people are writing about medieval social structure, they almost never include any numbers to give any kind of reference for the scale of things. But from pieces and fragments I've come across on various sites (without sources) I pieced together these general guidelines I want to apply creating domains for my setting.

A common borderland domain has 1 lord who lives in a small keep with his family and some 20 to 30 servants. Next to the keep is the town with some 1000 to 2000 townspeople, who are the merchants and craftspeople for the area. Surrounding the town are 20 to 30 manors that each support 1 "knight" and around 5 fully trained and equipped men at arms and their families. The lands of the manor are being worked by roughly 200 to 300 peasants who might be free farmers paying rent for their plots, or serfs and slaves working directly for the "knight"'s own household.

That would mean such a domain has 1 lord, 20-30 "knights", 100-150 men at arms, 1,000-2,000 townspeople, and 5,000-10,000 farmers. (Allowing for a peasant levy of some 1,000 men if the domain is attacked.)

At 3 acres of farmland to support one person, this would be a total requirement of 20,000 to 40,000 acres or 80 to 160 km². Which is one or two 6-mile hexes.

Does that seem broadly plausible as a general reference for scale?

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[–] [email protected] 2 points 1 year ago

You can also ask @[email protected] , he wrote about medieval demographics years ago

[–] [email protected] 2 points 1 year ago (1 children)
[–] [email protected] 2 points 1 year ago

It does produce similar ballpark numbers for the total population and largest town given the same area of farmland. Which is nice.

[–] [email protected] 2 points 1 year ago

Also remember that good farmland usually was hard to find, so the actual area is much larger. Depending on where and when, the farmland would be like 20 - 80 % of the actual area, with the mean closer to the bottom than the top. And it would be arranged in a circle around the town (who host the farmers market). This will obviously depend on the terrain ofc, but a rule of thumb is that a farmer should be able to travel to the market, be there for a while and then travel back home the same day. Beyond that limit there will be fewer farms, and if well populated, there will form new market towns withing their travel distance.

[–] [email protected] 1 points 1 year ago

C&S has had charts based on medieval sources for working out the sizes of demesnes since at least 2nd edition. The current edition has very detailed lists toward the end of the book.

[–] [email protected] 1 points 1 year ago (1 children)

Have you considered more than farm plots in such domain? I think a forest, patch of a barren land or a quarry could make it two to three hexes.

I always think in such case about a polish book in which a group of villagers fought against lome local knight/lord over the ownership of a local forest.

[–] [email protected] 1 points 1 year ago

Sure, but that's a case by case situation that doesn't affect the total land area use.