Board Thread:Questions and Answers/@comment-51.36.64.129-20190124205711/@comment-2600:387:1:813:0:0:0:37-20190519080642

It could be that the Zoldycks just have it on record as Alluka being a boy due to the wishgranting power. While they and their butlers have extremely high combat abilities, a deluge of high powered individuals (the spiders or Hisoka's levels) could get access to Alluka/Nanika and even THEY fear her power. Misinformation is the simplest and most effective manner of buying time in that case. And lets be honest here, Does it really matter? Alluka isn't a fap bait character, isn't a trap (in the truest sense if actually a boy), and wouldn't be of interest to anyone unless they were a "X"con. We have no information on the biological sex of Alluka, so we have nothing to really go on other than the Hunter's Guide, which was published back in '04. Personally I think its one part misinformation and another of the Zoldycks trying to keep from seeing Alluka as real family...after all, they may have to kill or permanently imprison her in order to save themselves from wish backlash. Killua himself makes an aside about how if they knew all there is about Alluka they'd "put needles in his brain again, and they'd do it with smiles on their faces." which hints at some pretty powerful or destructive things.