It's variable, I guess. E.g., I couldn't tell if this man is Spanish (not particularly Basque, in fact not even close to characteristical), or Briton. From the source it was not 100% clear to me if he is Cornish or Welsh. The former, I think.
Paul "The More Man" Cornish - Ecademy Profile
I wouldn't take him by English, fully.
But certainly there is much more to it than just the genotype and even the phenotype. For most cases, even in close matches, there is always something in the eyes that tells you what genotype and phenotype does not.
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'Dardanidae duri, quae uos a stirpe parentum
prima tulit tellus, eadem uos ubere laeto
accipiet reduces. Antiquam exquirite matrem:
hic domus Aeneae cunctis dominabitur oris,
et nati natorum, et qui nascentur ab illis.'
We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.
–Plato–
'Many people, I believe, wish for a society where faith, decency, pro-life convictions and national self-determination within Europe can flourish; and not be swallowed up in a dictatorial EU bureaucracy.'
–Gerry McGeough, Irish Nationalist and POW–