Question

what was primoginature

Answer 1

Primoginature is the right, by law or custom, of the paternally acknowledged, firstborn son to inherit his parent's entire or main estate, in preference to daughters, elder illegitimate sons, younger sons and collateral relatives. ... Among siblings, sons inherit before daughters.

Answer 2

The right of succession belonging to the firstborn child, especially the feudal rule by which the whole real estate of an intestate passed to the eldest son is known as primoginature.
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