"A count palatine (Latin comes palatinus), also count of the palace or palsgrave (from German Pfalzgraf), was originally an official attached to a royal or imperial ...
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palace or household and later a nobleman of a rank above that of an ordinary count. The title originated in the late Roman Empire. In the Middle Ages especially and into modern times, it is associated with the Holy Roman Empire.
The office, jurisdiction or territory of a count palatine was a county palatine or palatinate. In England, the forms earl palatine and palatine earldom are preferred." - (en.wikipedia.org 22.04.2022)