Langfocus

Langfocus is the Youtube channel I would like to emphasize here. It is a popular channel run by Paul. Many videos focus on one language or a comparison between related languages ... or between different variants of the same language.

A few videos are commenting on 'language families'.

Some examples: 

Is Luxembourgish a dialect of German? Or a separate language? 

Note: I have lived there, so I have my own opinion. Interesting to hear if Paul thinks likewise ...

In the same league (but most native speakers are fully aware):

How similar are German and Dutch?

The Romance Languages and What Makes Them Amazing

The North Germanic Languages of the Nordic Nations

The Slavic Languages and What Makes Them a FAMILY

The Celtic langauges.

Plenty of reason to dive deeper into the videos of this channel ...