His daughter Masuko married Zentaro KOSAKA of Kosaka Zaibatsu (a financial group), and his other daughter Takako married Shinichi OKAZAKI of Okazaki Zaibatsu (literally, financial clique).
子の益子は小坂財閥の小坂善太郎に、高子は岡崎財閥の岡崎真一にそれぞれ嫁いでいる。