Seidenberg was born on December 10, 1946, in New York City, New York. His parents were Howard and Kitty Seidenberg. He is married to Phyllis A. Maisel and they two children.<ref>[http://www.referenceforbusiness.com/biography/S-Z/Seidenberg-Ivan-G-1946.html#b Reference for Business|Ivan G. Seidenberg]</ref> | Seidenberg was born on December 10, 1946, in New York City, New York. His parents were Howard and Kitty Seidenberg. He is married to Phyllis A. Maisel and they two children.<ref>[http://www.referenceforbusiness.com/biography/S-Z/Seidenberg-Ivan-G-1946.html#b Reference for Business|Ivan G. Seidenberg]</ref> |