Aron Ber Meizelsz - was aron ber a son of tiferes uziel

I've been told that some have seen the matzeiva and he is not a son but rather migeza..

I dont know who saw this? he was likely buried in munkacz, as two of his daughter were. the cemetery was raised and there are is no headstone. It is fair to discount. However, the doubts linger in...