However, Ujimasa and Ujinao repeatedly insisted in several (extant) letters that although the capital visit by Ujimasa was delayed, upon the acquisition of Numata-jo Castle, from December (old calendar) to spring or summer of the following year, Ujimasa was willing to visit Hideyoshi, and that the Hojo clan was not responsible for the seizure of Nagurumi-jo Castle.
しかし現存している各種書状において、沼田城受領後の氏政は自らの上洛時期が当初の12月から翌春夏にずれたものの、上洛に積極的であり、また氏政・氏直が再三にわたり名胡桃城を北条が奪取したわけでないと述べている。