She and Griaznoff were divorced in 1990, and in 1991, she married Sir Francis Renouf, an international financier who had helped reconstruct Germany’s post war banking system. Following her marriage to Sir Francis, she became Lady Renouf. The marriage ended in divorce the same year, following Sir Frank's discovery that she had misrepresented her past and her title. He later described the marriage as a "nasty accident." In 1992, Renouf gained a diploma in Landscape Design. She designed an Elizabethan Knot and Maze Garden for the reconstruction of Shakespeare’s Globe Theatre and, in 1997, sponsored the building of its Wardrobe of Robes Room. From 1999 to 2001, she read for a post-graduate degree in Psychology of Religion at the University of London.
In the same year, she wrote a letter in support of Irving to the Evening Standard newspaper in London, signing it "Lady Renouf, Reform Club, 104 Pall Mall." This led to an unsuccessful attempt to expel her. Irving had already been blacklisted by the club in 2001 after attending a function as Renouf's guest. She was eventually expelled from the club in 2003 after attempting to have Irving speak there.
In 2006, Renouf travelled to Vienna to support Irving during his trial for denying the Holocaust, saying "I am here to free David Irving and free Austria from this totalitarian law." Arriving at the court, she called for "so-called Holocaust victims to be exhumed to see whether they died from typhoid or gas". Renouf has also shown her support for other prominent Holocaust deniers, including Ernst Zündel and Robert Faurisson.
She attended the International Conference to Review the Global Vision of the Holocaust in Iran in December, 2006. In her address to the Conference, she described Judaism as possessing a "dangerously misanthropic tendency" and "fundamentally anti-Gentile narcissism."
Of the Holocaust, Renouf has said, "I do not doubt they were victims. Or that the term as chosen by international Zionism for these victims is a Holocaust (a religious term meaning a sacrificial burnt offering in a Covenantal bargain to gain a literal Zionist state of Israel)." Although she says that she is not anti-Semitic, she has described Judaism as a "repugnant and hateful religion." The European Jewish Congress has described her as an "anti-Semitic demagogue.
Renouf has produced DVDs critiquing Israel, Zionism, and Holocaust denial prosecutions, including Jailing Opinions and Israel in Flagrante.