When Kazunomiya married to Iemochi, on her way to Edo through Nakasendo road, she took a rest with the Kosaka family in Shinshu, Kazunomiya's photograph was found which was taken by a photographer of Kosaka family.
近年和宮が降嫁に際し中山道を通って江戸へ向う途中、信州小坂家で休息した折、小坂家の写真師が撮影した和宮の写真が発見された。