Because such a strange phenomenon occurred, the Imperial Court referred to an illustrated book and found that there were two tatenami ryo mausoleums, and that the one located in the northern part was the Jingu ryo mausoleum and the one in the southern part the Seimu ryo mausoleum.
そのような奇異があったので、朝廷が図録を調べたところ、二つの盾列陵があって、北が神功陵、南が成務陵だと分かったという。