According to the '安倍晴明忠行に随いて道を習いし語''Story of ABE no Seimei's learning the way under Tadayuki' in the "Konjaku Monogatari (Shu)," one day, when Tadayuki was on the way back home from the Imperial Palace, he was waken up by young attendant ABE no Seimei, who was outside the gissha (ox-drawn carriage).
今昔物語集の「安倍晴明忠行に随いて道を習いし語」によれば、ある時忠行が内裏より自邸に帰宅途中、牛車の外にいた供の幼少の安倍晴明に呼び起こされた。