Kamununakawamimi's father, Emperor Jinmu (Kamuyamatoiwarebiko), was also the youngest among four children of Ugayafukiaezu, whose father Hori was also the youngest child.
父の神武天皇（カムヤマトイワレビコ）も、ウガヤフキアエズの4人の御子の末子であり、ウガヤフキエアズの父のホオリもまた末子である。