Japan Castle Atlas
憶礼福留
A high-ranking official (dalsol) of the Korean kingdom of Baekje. After Baekje fell he came to Japan, and the Nihon Shoki chronicle records that in 665 he and Shihi Fukubu were sent to Tsukushi to build Ono and Kii castles.
He appears in the Nihon Shoki entry for 665 alongside Toho Shunso, who was sent to build a castle in Nagato Province. The entry is seen as evidence that Baekje's mountain-fortress techniques were put to use in Japan's defense.
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Ōnojō, Fukuoka
大野城
Built in 665 to defend the nation, it rings the ridges of Mount Shioji behind Dazaifu with about 8 km of earthen ramparts and stone walls.
built the castle (665, Nihon Shoki)Record source: article
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Kiyama, Saga
基肄城
Built in 665 to guard Dazaifu from the south, this ancient mountain fortress has a stone wall across a valley on Mount Kizan pierced by no fewer than four water channels.
built the castle (665, Nihon Shoki)Record source: article
