佐賀藩
On 28 November 1897, Prince Nashimoto married Nabeshima Itsuko (2 February 1879 – 18 August 1977), the second daughter of Marquis Nabeshima Naohiro, a former Japanese ambassador to Italy and the son of the last feudal lord "(daimyō)" of Saga Domain. Itsuko was the maternal aunt of the late Princess Chichibu. The couple had two daughters.