sentences:  Tadakiyo was friendly with the former "daimyō" of the clan, Date Tadamune, whose son Date Tsunamune, was arrested in 1660, and forced to retire from his post on accusations of drunkenness and debauchery.The regents who governed over his successor, Tsunamune's infant son Date Tsunamura, were then accused in turn of corruption and poor government.This element of the affair dragged out for ten years before Tadakiyo summoned the key parties involved to Edo in order to conduct a formal inquiry; this ultimately ended in the death of one Sendai retainer at the hands of another, who was in turn cut down by the "Tairō's" guards.