Sakai-Senke had the blood relationship with Rikyu, however, ended because Doan had no legitimate son (although his daughter married to the son of Soan MOZUYA, the adopted son-in-law of Rikyu).
しかし利休の血脈としての堺千家は、道安に嫡子がないなかったため断絶した（ただし道安の娘は利休の娘婿である万代屋宗安の息子に嫁いでいる）。