His son, Haruyuki Katō, married Kazuko Kurosawa, the costume designer and daughter of Akira Kurosawa.
Daisuke Matsuzaka | Daisuke Jigen | Kato Olympos | Kato Hideki | Sonoko Kato | Kazuya Kato | Kato | Joji Kato | Daisuke Nakamura | Daisuke Asakura | Shigeaki Kato | Ryozo Kato | Kato's conjecture | Kato Nevrokopi | Kato Kaelin | Kató Havas | Daisuke Sekimoto | Daisuke Ryu | Daisuke Ohata | Daisuke Enomoto | Yasunori Katō | Takeshi Kato | Miliyah Kato | Masato Kato | Masaru Kato | Koichi Kato | Kenzo Kato | Kazuhiko Kato (musician) | Kazuhiko Kato | Kato Hiroyuki |
Sawamura's younger brother and sister were the actors Daisuke Katō and Sadako Sawamura.