However, Tamada is recorded as Sotsuhiko's grandson in the Ingyo ki of "Nihonshoki" (Chronicles of Japan), and in Yuryaku ki, as the son, which shows inconsistency in the relation to Sotsuhiko.
ただ玉田宿禰については、『日本書紀』允恭紀が襲津彦の孫とする一方、雄略紀では子としていて、互いに矛盾する。