forest

a king, especially one who is not East Asian or was East Asian in pre-imperial times; in China and Vietnam, generally a king before Qin Shi Huangdi who invented the title 皇帝 (kōtei, “huangdi; emperor”); in Korea, one of the many kings before the Korean Empire which was modeled after Japan's; in Japan, one of the rulers before Emperor Jinmu

rest in peace

(Classical Japanese or literary) adnominal perfect-continuative of ねむる; adnominal of ねむれり (nemureri)

呼ぶ: to call (call out); to send for (someone); to call (something by a name)

四回: four times / 四階: fourth floor

呼ばれる: be treated to (a meal); Used other than figuratively or idiomatically: see 呼ぶ, れる.

予備: reserve

(historical) a Japanese prince's unmarried daughter who is descended from the reigning emperor through no more than five generations ("princes" include 親王 (shinnō) or 王 (ō))

a queen regnant