Before I give you my personal view on that question, I have another question for you: if you are in a WN skinhead group, how on earth do you profile yourself as "against the modern world"?
So-called "white nationalism" and the "skinhead" fashion are both products of the modern world. In fact, worse, they are products of an accepted marginality of the modern world.
And now to the question, if you are a white nationalist then it doesn't matter how much Jewish a Jew is, since Jews are "white". You will also find this interesting:
A case of Zionism and WN Racism
As for European, they are not. Those with little ancient Jewish ancestry whose ancestors abandoned Judaism and who have no bonds with Jewish or Judaic communities and teachings, and whose values are those of the Europeans (make no mistakes, so-called "western values" are not the same thing), I suppose that they are European.
However, you put a case of a descendent of a Marrano in Hungary. For your information, the Marranos who went especially to France, The Netherlands and England, but also to Hungary, were influent in the construction of the neo-Judaic corruption of Christianism known as Calvinism. Calvinists are, whether of Jewish ancestry or not, Judaic.
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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–