There are quite a number of them, with a few dating back to the 1800s: https://en.wikipedia.org/wiki/Gender_neutrality_in_languages_with_gendered_third-person_p

There are quite a number of them, with a few dating back to the 1800s: https://en.wikipedia.org/wiki/Gender_neutrality_in_languages_with_gendered_third-person_pronouns#Table_of_standard_and_non-standard_third-person_singular_pronouns https://en.wikipedia.org/wiki/Gender_neutrality_in_languages...