It was recorded that, when Tadatoshi (Joan) NAITO (later a retainer of Yukinaga KONISHI), who was known as a Christian daimyo (Japanese territorial lord) was the lord of a small territory, missionaries, including Luis FROIS, were invited by Tadatoshi and visited Tanba via here.
キリシタン大名として知られた内藤忠俊（如安・後に小西行長家臣）が丹波の小領主だった時代、ルイス・フロイスら宣教師が忠俊の招待を受けてここを経由して丹波に入ったとする記録が残されている。