Man pages matching name genders in section 3:

Genders.3.en	debian 10 / libgenders-perl
genders.3.en	debian 10 / libgenders0-dev
Genders.3.en	debian 11 / libgenders-perl
genders.3.en	debian 11 / libgenders0-dev
Genders.3.en	debian 12 / libgenders-perl
genders.3.en	debian 12 / libgenders0-dev