Since the Chigusa family was a branch family of the Iwakura family, he sent his only biological son, Noritomo IWAKURA, to Tomoaki IWAKURA, who didn't have any children, to become an adopted child.
千種家は岩倉家の分家であるため、子のない岩倉具詮に養子として唯一の実子岩倉乗具を出した。