Ultimogeniture

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Ultimogeniture is a succession law where the youngest child (based on gender law) inherits all titles.

Features[edit]

  • Easily accessible as only Lower crown authority is required.
  • A regency and civil wars are common, as heir is often under-aged...
  • ... but once over, it can lead to long and stable reigns (high long reign opinion boost with vassals).
  • Arguably better than primogeniture, as you can stop having children once you get a desired heir
  • Used by Mongols
  • One of the few succession laws available to Indian religions.
  • With Conclave DLC activated: requires Late Feudal Administration.

Opinion[edit]

A ruler under ultimogeniture succession will face the following opinion modifiers:

Character Opinion modifier Reason
Oldest child -30 He would certainly prefer primogeniture!
Youngest child +20
All other children set to inherit -20 They would much prefer gavelkind.
All other dynasty members -5 They would prefer seniority.

Mechanic[edit]

  • If a ruler has several daughters and succession is determined under agnatic-cognatic ultimogeniture, daughters with sons are ranked higher in the order of succession than daughters without sons, even if they are older.
  • In the absence of eligible children, inheritance passes to collateral relatives in order of seniority of their lines of descent.

Strategies for male characters[edit]

  • Stop producing heirs: once the succession is secured with a few heirs, you can try to:
    • divorce or kill your spouse (if needed) and remarry a woman over 45, who won't be able to bear a child.
    • become celibate  or chaste .
    • If pagan (which you probably are if you're Mongol) or following the Indian religions, marry only women past childbearing age and use concubines for children. Once you have an heir you like, set all your concubines aside.
  • Limit legitimate heirs: Marry an older wife.
    • The window in which you will produce legitimate offspring with your wife will be relatively short, meaning that by the time your character reaches old age, your youngest child will more likely be an adult.
    • After that, if you wish to have additional children, you can sire bastards and selectively legitimize any that turn out well.
Succession
Progeny
GavelkindUltimogeniturePrimogenitureOpen