Catherine Gregg, the wife of one New Hampshire governor and the mother of another, has died. She was 96. Gregg, who died Friday at her home in Exeter, was the widow of former Gov. Hugh Gregg and the mother of former Gov. Judd Gregg, who also served as a congressman and U.S. senator. Along with her husband, she was passionate about preserving New Hampshire's first-in-the-nation presidential primary, and was heavily involved in protecting the state's environment and cultural heritage.