Which populations overlap with Brits?

[Sikeliot]

Time for another one of the threads I've made myself famous for.

Instead of making another thread comparing Europeans to non-Europeans, we have this. I won't bother posting pictures since we all know what the British look like.

I made multiple choice, so you can choose as many as you think apply.

[Ibericus]

Irish, Dutch, Danes

[Beorn]

Define the term 'British'.

[Damião de Góis]

Irish, Dutch, Danes

... and Belgians and French

[Sikeliot]

Define the term 'British'.

English, Scottish, Welsh. The people of Great Britain.

I consider the Northern Irish to be Irish, though. A little inconsistent but still.

[Beorn]

English, Scottish, Welsh. The people of Great Britain.

Is this based upon pure ethncity or upon a collective nationality? Are second or third generation immigrants allowed?

Sorry to storm the decks, as it were. Arrgh!

[Sikeliot]

Is this based upon pure ethncity or upon a collective nationality? Are second or third generation immigrants allowed?

Sorry to storm the decks, as it were. Arrgh!

Native origin English, Scottish, Welsh which does not include immigrants of course.

[Beorn]

Native origin English, Scottish, Welsh which does not include immigrants of course.

What's the cut off point for immigrants being exclusive?

[Sikeliot]

What's the cut off point for immigrants being exclusive?

If you would not cluster with your fellow Brits on a PCA plot, they don't count for the purpose of this thread. How much clearer can I be?

[Beorn]

If you would not cluster with your fellow Brits on a PCA plot, they don't count for the purpose of this thread. How much clearer can I be?

But there are elements of the British that have only resided amongst us in the past thousand years or so, and aren't quite clustering with Brits as such.

So they count, or are we going back to a specific date?

An example would the Normans? Are they British?