Strain diagram of Linux distribution

It seems that it is made up of the feeling as shown in the above figure. It is derived from the underlying "GNU / Linux", it is divided into Debian, Fedora, Gentoo, Knoppix, Ubuntu, Slackware, Morphix etc, and furthermore from there it is finely ....

If you arrange this in the timeline, that is, time series, it will be as follows.


There seems to be a distribution that I have not seen or heard of.

Linux Distribution - Wikipedia

In addition, classification by adoption of package management system will be as follows.

Linux Distributions - Facts and Fig Figures