When he was passing through the Misaka Pass located on the boundaries of Shinano Province and Mino Province, his horse missed its footing on a bridge, and he and his horse fell into a deep valley.
信濃・美濃国境の神坂峠を過ぎるとき、乗っている馬が橋を踏み外し、馬ごと深い谷へ転落した。