Independent ---> Debian
Debian/Ubuntu(LTS) ---> Linux Mint
---> Linux Lite
Debian/Ubuntu ---> Ubuntu
---> Ubuntu GNOME
---> Ubuntu MATE
---> Ubuntu DesktopPack
---> Ubuntu Studio
---> Ubuntu Kylin
---> Lubuntu
---> Xubuntu
---> Kubuntu
---> elementary OS
---> Ultimate Edition
---> Zorin OS
Debian ---> Whonix
Debian(Stable) ---> SteamOS
Debian(Unstable)---> deepin
Debian(Testing) ---> Pardus (http://www.portal.pardustopluluk.org/)
---> openSUSE
---> Gentoo Linux
---> Arch
Arch ---> Manjaro
---> Fedora
Fedora/RedHat ---> CentOS
---> Mageia (originally forked from Mandriva)
---> Mandriva Linux (originally forked from Red Hat)
---> Slackware Linux
---> Foresight Linux (http://www.foresightlinux.org/)
---> Puppy Linux
---> FreeBSD
---> Solaris/OpenSolaris
Solaris/OpenSolaris ---> XStreamOS