In 1235, "a man who worked for the Chiba no suke office" broke into the residence of TAIRA no Tsunetaka (the author of "Heikoki" [Diary of TAIRA no Tsunetaka]) in Kyoto (the cause is considered to be the discord between Tsunetaka's son TAIRA no Tsuneuji and a vassal of the CHIBA clan over a woman).
嘉禎元年（1235年）、京都において平経高（『平戸記』著者）邸に「千葉介某の手の者」が乱入した（原因は経高の子平経氏と千葉氏家臣の間の女性問題であるという）。