Man pages matching name pstree in section 1:

pstree.1.hu	debian 10 / manpages-hu
pstree.1.ja	debian 10 / manpages-ja
pstree.1.pl	debian 10 / manpages-pl
pstree.1.en	debian 10 / psmisc
pstree.1.hu	debian 11 / manpages-hu
pstree.1.ja	debian 11 / manpages-ja
pstree.1.de	debian 11 / psmisc
pstree.1.en	debian 11 / psmisc
pstree.1.fr	debian 11 / psmisc
pstree.1.pt_BR	debian 11 / psmisc
pstree.1.ru	debian 11 / psmisc
pstree.1.uk	debian 11 / psmisc
pstree.1.ja	debian 12 / manpages-ja
pstree.1.de	debian 12 / psmisc
pstree.1.en	debian 12 / psmisc
pstree.1.fr	debian 12 / psmisc
pstree.1.hr	debian 12 / psmisc
pstree.1.ko	debian 12 / psmisc
pstree.1.pt_BR	debian 12 / psmisc
pstree.1.ro	debian 12 / psmisc
pstree.1.ru	debian 12 / psmisc
pstree.1.sr	debian 12 / psmisc
pstree.1.sv	debian 12 / psmisc
pstree.1.uk	debian 12 / psmisc