comtesses
Comtesses is the plural form of comtesse, the feminine title used in the French nobility. A comtesse is commonly the wife of a comte (count) and thus a countess by marriage, but the term can also refer to a woman who holds the title in her own right in historical contexts. In English-language usage, the title is usually translated as countess, while comtesse remains the French form in references to French titles or aristocratic lineages.
Historically, the comté (county) was a territorial and administrative unit within the realm of the French crown
In practice, the use of the title varied by era and region. In many periods, the wife
Etymology: comtesse derives from comte, itself from Latin comes, meaning companion or ally, with the feminine