Tadahiko was furious about being captured for a false charge and being treated in this way, and on July 10, 1860 he stubbed his throat with a short sword he had kept.
忠彦は冤罪で捕らえられた上このような処遇を受けた事に憤激し、5月22日(旧暦)に所持していた脇差で喉を突き自害を図る。