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The output of your command "$ pstree 1" is:

systemd-+-ModemManager---3*[{ModemManager}]
        |-NetworkManager---3*[{NetworkManager}]
        |-accounts-daemon---3*[{accounts-daemon}]
        |-acpid
        |-apache2-+-apache2---python3---sh---pstree
        |         `-10*[apache2]
        |-at-spi-bus-laun-+-dbus-daemon
        |                 `-4*[{at-spi-bus-laun}]
        |-at-spi2-registr---3*[{at-spi2-registr}]
        |-avahi-daemon---avahi-daemon
        |-colord---3*[{colord}]
        |-cron
        |-cups-browsed---3*[{cups-browsed}]
        |-cupsd---2*[dbus]
        |-dbus-daemon
        |-dconf-service---3*[{dconf-service}]
        |-fwupd---5*[{fwupd}]
        |-gdm3-+-gdm-session-wor-+-gdm-wayland-ses-+-dbus-run-sessio-+-dbus-daemon
        |      |                 |                 |                 `-gnome-session-b-+-gnome-shell-+-Xwayland
        |      |                 |                 |                                   |             |-ibus-daemon-+-ibus-engine-si+
        |      |                 |                 |                                   |             |             |-ibus-memconf--+
        |      |                 |                 |                                   |             |             `-3*[{ibus-daemo+
        |      |                 |                 |                                   |             |-mutter-x11-fram---22*[{mutte+
        |      |                 |                 |                                   |             `-33*[{gnome-shell}]
        |      |                 |                 |                                   |-gsd-a11y-settin---4*[{gsd-a11y-settin}]
        |      |                 |                 |                                   |-gsd-color---4*[{gsd-color}]
        |      |                 |                 |                                   |-gsd-datetime---4*[{gsd-datetime}]
        |      |                 |                 |                                   |-gsd-housekeepin---4*[{gsd-housekeepin}]
        |      |                 |                 |                                   |-gsd-keyboard---4*[{gsd-keyboard}]
        |      |                 |                 |                                   |-gsd-media-keys---4*[{gsd-media-keys}]
        |      |                 |                 |                                   |-gsd-power---4*[{gsd-power}]
        |      |                 |                 |                                   |-gsd-print-notif---3*[{gsd-print-notif}]
        |      |                 |                 |                                   |-gsd-rfkill---3*[{gsd-rfkill}]
        |      |                 |                 |                                   |-gsd-screensaver---3*[{gsd-screensaver}]
        |      |                 |                 |                                   |-gsd-sharing---4*[{gsd-sharing}]
        |      |                 |                 |                                   |-gsd-smartcard---4*[{gsd-smartcard}]
        |      |                 |                 |                                   |-gsd-sound---4*[{gsd-sound}]
        |      |                 |                 |                                   |-gsd-wacom---4*[{gsd-wacom}]
        |      |                 |                 |                                   `-4*[{gnome-session-b}]
        |      |                 |                 `-3*[{gdm-wayland-ses}]
        |      |                 `-3*[{gdm-session-wor}]
        |      `-3*[{gdm3}]
        |-2*[gjs---11*[{gjs}]]
        |-gnome-remote-de---3*[{gnome-remote-de}]
        |-gsd-printer---3*[{gsd-printer}]
        |-ibus-portal---3*[{ibus-portal}]
        |-ibus-x11---3*[{ibus-x11}]
        |-irqbalance---{irqbalance}
        |-2*[kerneloops]
        |-multipathd---6*[{multipathd}]
        |-nmbd
        |-polkitd---3*[{polkitd}]
        |-power-profiles----3*[{power-profiles-}]
        |-rsyslogd---3*[{rsyslogd}]
        |-rtkit-daemon---2*[{rtkit-daemon}]
        |-smbd-+-smbd-cleanupd
        |      `-smbd-notifyd
        |-snapd---12*[{snapd}]
        |-sshd
        |-switcheroo-cont---3*[{switcheroo-cont}]
        |-systemd-+-(sd-pam)
        |         |-catatonit
        |         |-dbus-daemon
        |         |-2*[pipewire---2*[{pipewire}]]
        |         |-pipewire-pulse---2*[{pipewire-pulse}]
        |         |-wireplumber---5*[{wireplumber}]
        |         |-xdg-document-po-+-fusermount3
        |         |                 `-7*[{xdg-document-po}]
        |         `-xdg-permission----3*[{xdg-permission-}]
        |-systemd-+-(sd-pam)
        |         |-catatonit
        |         |-dbus-daemon
        |         |-2*[pipewire---2*[{pipewire}]]
        |         |-pipewire-pulse---2*[{pipewire-pulse}]
        |         |-snapd-desktop-i---snapd-desktop-i---3*[{snapd-desktop-i}]
        |         |-wireplumber---5*[{wireplumber}]
        |         |-xdg-document-po-+-fusermount3
        |         |                 `-7*[{xdg-document-po}]
        |         `-xdg-permission----3*[{xdg-permission-}]
        |-systemd-journal
        |-systemd-logind
        |-systemd-network
        |-systemd-oomd
        |-systemd-resolve
        |-systemd-timesyn---{systemd-timesyn}
        |-systemd-udevd
        |-tmux: server-+-bash-+-npm run dev-+-sh---node-+-esbuild---9*[{esbuild}]
        |              |      |             |           `-16*[{node}]
        |              |      |             `-14*[{npm run dev}]
        |              |      `-npm run dev-+-sh---node-+-esbuild---11*[{esbuild}]
        |              |                    |           `-14*[{node}]
        |              |                    `-14*[{npm run dev}]
        |              |-bash---bash---systemctl---less
        |              `-bash
        |-udisksd---5*[{udisksd}]
        |-unattended-upgr---{unattended-upgr}
        |-upowerd---3*[{upowerd}]
        |-wpa_supplicant
        `-xdg-permission----3*[{xdg-permission-}]