	In 1964, he married Arlene Joan Garrett, the daughter of Griffon's then Chairman and CEO Edward J. Garrett, in a Jewish ceremony at the Plaza Hotel in Manhattan. The couple had three children: Stephanie (married to Ron Kramer), Melissa Blau, and Victoria Blau Orlin (married to Paul Orlin). Blau died on January 19th, 2018 at age 82. Services were held at Temple Emanu-El in Manhattan.