Man pages matching name rpmgraph in section 8:

rpmgraph.8.en	debian 10 / rpm
rpmgraph.8.ja	debian 10 / rpm-i18n
rpmgraph.8.pl	debian 10 / rpm-i18n
rpmgraph.8.de	debian 11 / manpages-de
rpmgraph.8.en	debian 11 / rpm
rpmgraph.8.ja	debian 11 / rpm-i18n
rpmgraph.8.pl	debian 11 / rpm-i18n
rpmgraph.8.en	debian 12 / rpm
rpmgraph.8.ja	debian 12 / rpm-i18n
rpmgraph.8.pl	debian 12 / rpm-i18n