Analysis of information sources in references of the Wikipedia article "일곱째 아들의 일곱째 아들" in Korean language version.
Perry usually shrugged off the idea that he had any special gifts because of it, although he never denied its veracity, despite knowing full well that he had only one elder brother.
Some have attributed the boy's miraculous power to his descendancy. He is the seventh son of a seventh son and from this circumstance is believed to have been endowed with a sort of sixth sense.
