Who married Ōtani Kōzui?

Count Ōtani Kōzui (大谷 光瑞, 27 December 1876 – 5 October 1948) was a Japanese Buddhist leader and explorer who was the 22nd Abbot of Nishi Hongan-ji and the head of the Honganji-ha sect of Buddhism. He is known for expeditions to Buddhist sites in Central Asia, such as Subashi. His Buddhist name was Kyōnyo (鏡如).