Thread:User talk:Rua/West Frisian pronoun definitions/reply (2)

Even though they etymologically were formed with a genitive ending, they're not genitive in the same way that English mine isn't a genitive form of I. The possessive pronouns represent a specific possessive pronomial inflection instead of a genitive inflection. You can also look at English personal pronouns and other pronoun inflection templates here to see that they don't refer to possessive pronouns as being genitive.