In my part of space, family name comes first. So yes - you would have it correct. But I believe most would miss that and pronounce you as 'Nafalkcro'. Very similar to the name of my first officer, actually.

[Though Hanna and Samakro would likely get along way, way worse. The thought amuses Thrawn; if Hanna thought THRAWN was uptight, he had no possible idea.

Thrawn tilts his head and nods. This is....going to be interesting. He likes interesting]

I've met several.