In 1670, sobyo (mausoleum containing the remains of one's ancestors: Otani Sobyo Grave) was transferred to Otani, Higashiyama Ward near the origin of Hongan-ji school, and Takunyo was involved in its construction.
1670年（寛文10年）、本願寺発祥地近くの東山大谷（現在の京都市東山区）の地に祖廟（大谷祖廟）を移転し、その造営に着手した。