However, it was also confirmed that Enyuin was alive even after 1600, based on her autographed letter (which was subsequently burned and lost; according to Bizennanba monjo (document on Bizennanba)).
しかし、円融院が慶長５年以降も生存していることは、自筆書状（焼失、備前難波文書）からも以前から明らかになっている。