In the past,land in Ireland was inherited according to the law of "primogeniture",that is,the legacy was inherited by the first son of the landowner. The law of"primogeniture":the eldest son inherits the family estate.In the past, land in Ireland was inherited according to the law of “primogeniture”, that is, the legacy was inherited by the first son of the landowner. • The law of “primogeniture”: the eldest son inherits the family estate