Man pages matching name ytree in section 1:

ytree.1.en	debian 10 / ytree
ytree.1.es	debian 10 / ytree
ytree.1.en	debian 11 / ytree
ytree.1.es	debian 11 / ytree
ytree.1.en	debian 12 / ytree
ytree.1.es	debian 12 / ytree