Another theory suggests that during the Sixteen Kingdoms period (in China), the imperial family and court nobles from the Former Qin dynasty might have fled to Japan through the Korean peninsula in the middle of a war.
また一説には五胡十六国時代に前秦の王族ないし貴族が戦乱の中、朝鮮半島経由で日本にたどり着いたと言う説もある。