Some modern historians have questioned whether seven independent kingdoms ever really existed contemporaneously, and claim that the political situation was much more complicated.
Mõned kaasaegsed ajaloolased on kahelnud, kas 7 sõltumatut kuningriiki tegelikult kunagi samaaegselt eksisteerisid, ja väidavad, et poliitiline olukord oli palju keerukam.