Fukakusa mausoleum (850) — the same event in Nihon Montoku Tennō Jitsuroku and Shoku Nihon Kōki

Nihon Montoku Tennō Jitsuroku: In the third month, on day 癸卯, following the edict, Emperor Ninmyō is buried frugally at the Fukakusa mausoleum…

What each source says

Nihon Montoku Tennō Jitsuroku · AD 850 · Fukakusa (Kyoto)

In the third month, on day 癸卯, following the edict, Emperor Ninmyō is buried frugally at the Fukakusa mausoleum.

葬仁明皇帝于深草山陵
Location: 日本文德天皇實錄 卷第一 「嘉祥三年」 3月

Shoku Nihon Kōki · AD 850 · Yamashiro Province

In the third month, the emperor was buried at the Fukakusa mausoleum in Kii District, Yamashiro Province; by his instructions the burial was simple.

奉葬天皇於山城國紀伊郡深草山陵。
Location: 續日本後紀 卷第二十 (원문 47번째 단락)

Place: 京都(三条高倉御所) · 山背

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