According to a TV interview with Nao Utahara, an entertainer and a distant relative, the interchanges with Soseki were not limited to himself but extended to other family members, and her great grandfather was a cousin of Shiki who wrote haiku himself as well.
漱石との交遊は本人だけでなく親族とも付き合いがあり遠縁にあたるタレントの歌原奈緒が、TVのインタビューで「曾祖父が子規といとこで、本人も俳句を詠んでいたそうです。