This other theory is due to the passage found in "The Shoku Nihongi" (a chronicle that comes directly after the Nihon Shoki), citing that TAKATA no Ninomi (one of the receiving members of Prince Oama) was an official by the title of Shuto (Chief of Imperial Agricultural Estates) of Mino Province.
これは、ともに出迎えた高田新家が美濃国の主稲という役人だったことを記す記事が『続日本紀』にあることによる。