What Confederate Partition does to a realm
Most new campaigns meet Confederate Partition early. It does more than hand out titles you already created. It can create titles of your highest rank that you qualify for and have not created, then give those titles to eligible children.
Rank is the dangerous part. A child who receives a title of your rank can leave independent. A ruler does not vassalize a character of equal rank. The child walks out with that title, and the land under it leaves your realm.
Look at this before you click Create on a second duchy, kingdom, or empire. The law can also create that title for you at the moment of death, if you already qualify and have left it uncreated. Qualifying is enough. You do not have to press the button yourself.
The AUTOMATON beginner guide of 22 Nov 2025, in Japanese, describes the same outcome. This page uses the CK3 wiki Succession page as the rule source and that guide as a guide.
Confederate Partition can create titles of your highest rank that you qualify for and have not created, then hand them to eligible children. A child who receives a title of your rank can leave independent, because a ruler does not vassalize a character of equal rank.
The 22 Nov 2025 AUTOMATON beginner guide matches the wiki on that result: a same-rank title can leave the realm.
| Situation | What happens | Where you check it |
|---|---|---|
| Confederate Partition | The law can create titles of your highest rank that you qualify for and have not created, then give them to eligible children. | Realm law screen |
| A child receives your rank | That child can leave independent. A ruler does not vassalize a character of equal rank. | Realm law screen, then the map after the succession |
| One title of your highest rank | Younger children stay vassals under ordinary partition. | Realm law screen |
| Primogeniture and similar laws | Single-heir laws come from later cultural innovations. | Realm law screen, which shows what you can pass |
| Disinherit | The dynasty head can spend renown to disinherit. This page states no renown number. | Dynasty head actions, which show the cost |
Worked example: one created kingdom
This is a rule-model example, not a historical bookmark or a captured game state. Assumptions: the ruler is a king under Confederate Partition; the eligible children are two sons under male-preference inheritance; the eldest is the player heir; the ruler holds one primary kingdom and its capital; enough de jure land is held to create a second kingdom of the same rank; no title has its own succession law.
Under the 1.20.1.2 rule model, the player heir receives the primary title and realm capital. Confederate Partition can create the uncreated second kingdom for the younger eligible child. Because that child then holds a kingdom of the ruler’s rank, they leave independent instead of becoming a vassal. The realm loses the land assigned to that new title.
Under ordinary Partition with the same assumed holdings, the law does not create the second kingdom. The younger child is instead assigned lower-rank titles by the succession rules and remains below the player heir. These are the consequences to compare in the succession screen; exact land assignments depend on the titles, heirs, and laws in your save.
In the explicitly assumed two-son, one-primary-kingdom case, Confederate Partition can create a second same-rank kingdom for the younger heir when enough de jure land is held; that equal-rank heir leaves independent. The primary heir keeps the primary title and realm capital.
This is a hypothetical application of the patch 1.20.1.2 rule model, not an observed start, save, or universal title-allocation prediction.
Under ordinary Partition, the same assumed holdings do not create an uncreated second kingdom; eligible children divide titles the ruler actually holds.
| Law in the assumed setup | At succession | Practical result |
|---|---|---|
| Confederate Partition | If enough land qualifies for a second kingdom, the law may create it and assign it to the younger eligible heir; the player heir keeps the primary title and capital. | A child with the ruler’s rank becomes independent; land can leave the realm. |
| Ordinary Partition | The law does not create the second kingdom; younger children receive lower-rank titles under the partition rules. | They remain below the player heir; check the succession screen for the exact holdings. |
Keep one title of your highest rank
There is a simple shape that keeps the realm together under ordinary partition. Hold only one title of your highest rank. Younger children then stay as vassals. They can still receive lower titles. They do not walk out as rulers of your own rank, because there is no second title of that rank for the law to hand them.
For Murchad, that means watching titles at the petty-king rank before Ireland exists, and watching kingdom-rank titles after you form Ireland. Your title screen and the decision list do that job.
If you want a second top title, plan the succession first. You might accept the split. You might wait until a single-heir law is available. You might disinherit, if you are the dynasty head and you are willing to spend the renown the game asks for.
Open the realm law screen every time you are about to create a title, and again on the first day of a new ruler. Laws can change with culture. A new character does not inherit your memory of the old screen.
Above empire sits the hegemony. The hegemony guide lists the six hegemony titles and how each is created.
Holding only one title of your highest rank keeps younger children as vassals under ordinary partition.
The AUTOMATON guide agrees: one top title keeps the younger children as vassals.
Single-heir laws and disinherit
Primogeniture and similar single-heir laws come from later cultural innovations. You pass them from the realm law screen when that screen says you can. A culture that has not reached the innovation will not offer the law. Read the screen in this realm, with this culture.
Disinherit is the dynasty tool. The dynasty head can spend renown to remove a child from the succession. The action shows the renown cost. Write that number down from your game if you need it. This page will not invent one.
Neither tool erases the need for an heir. A single-heir law still needs a suitable heir. Disinheriting every child can empty the line. The launch rule still applies: no suitable heir, and the game ends.
Primogeniture and similar single-heir laws come from later cultural innovations. The realm law screen shows what you can pass.
The dynasty head can spend renown to disinherit.
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