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@Wylted
As someone who's currently learning French and took some German in high school, I agree that it's annoying. However the gender of words in languages like French and German is very different from the gender of pronouns in English. Pronouns in english such as she refer to visible sexual characteristics. Historically this was just called "sex" as in the phrase "the fairer sex." At some point people decided that saying sex was bad so they borrowed the word gender from French grammar, which originally only referred to the nouns and stuff like "Das" and "Der" that you're familiar with from German.
French is worse by the way. Not only are there different articles and pronouns for gender, you also have to account for whether it is singular or plural. For instance, in German, "mein Hund" and the plural "mein Hunde" use the same possessive pronoun, whereas in French you have to pluralise the possessive. "me chien" becomes "mes chiens".