《Ikuta Atsumori》 - Ikuta Atsuri

Japanese: 《生田敦盛》 - いくたあつもり

…The two volumes of the extant picture scroll Koatsumori, created in the late Muromachi period, have a scene of the battle between Kumagai and Atsumori in the first half, and at the end, the young prince and his mother become monks, train asceticism, and later become the founder of the Seizan school of the Jodo sect of Buddhism, Eibo Shoku, thus conveying the ancient text format. The Noh play Ikuta Atsumori by Konparu Zenpo also deals with the same subject matter. [Miyata Kazumi]. …

From "Taira no Atsumori"

…Originally, this story was the tale of the awakening of Kumagai Naozane (Buddhist name Rensho), but gradually Atsumori's image became idealized. There is also a fairy tale called "Ko-Atsumori" and a Noh play called "Ikuta Atsumori" that deal with a fictional sequel in which Atsumori's surviving child meets Atsumori's ghost and prays for his father's soul. [Nishiwaki Tetsuo]…

*Some of the terminology explanations that mention "Ikuta Atsumori" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…現存する室町末期成立の絵巻《こあつもり》2巻は前半に熊谷･敦盛組討の場面をもち，結びは若君が母とともに出家し，修行を積んで，後に浄土宗西山派の祖善慧房証空となったとするなど，古い本文形態を伝えている。金春禅鳳作の能《生田敦盛》も，同じ題材を扱う。【宮田和美】。…