 The two had been having a long affair prior to the duchess's divorce from her first husband and had had a son out of wedlock.In the English-speaking world Palewski is known chiefly through his appearance as Fabrice, duc de Sauveterre, in two of Nancy Mitford's novels, "The Pursuit of Love" (1945) and "Love in a Cold Climate" (1949).The first of these contains a fairly accurate portrayal of their relationship, although it is moved from postwar to prewar Paris.