It is pointed out that Andon-yama kofun (an ancient tomb at Mt. Andonyama) which is identified with the Mausoleum of Emperor Sujin (having a total length of about 242 m, and the rounded part having a diameter of about 158 m and height of about 23 m) is similar in shape to the referential mausoleum of Kibitsuhiko no mikoto (the Tomb of Great Kibitsuhiko no mikoto) which is called Nakayama Chausuyama kofun (an ancient tomb at Mt. Nakayama Chausuyama) (having a total length of about 120 m and the rounded part having a diameter of about 80 m and height of about 12 m), the ratio of which is about two to one.
崇神天皇陵に比定されている行燈山古墳（墳丘全長約242m、後円部直径約158m、後円部高さ約23m）と吉備津彦命の陵墓参考地（大吉備津彦命墓）である中山茶臼山古墳（墳丘全長約120m、後円部直径約80ｍ、後円部高さ約12ｍ）はサイズがほぼ2対1の相似形であることが指摘されている。