 Only once in the series does Fleming install a partner for Bond in his flat , with the arrival of Tiffany Case , following Bond 's mission to the US in Diamonds Are Forever . By the start of the following book , From Russia , With Love , Case had left to marry an American . Bond was married only once , in On Her Majesty 's Secret Service , to Teresa " Tracy " di Vicenzo , but their marriage ends tragically when she is killed on their wedding day by Ernst Stavro Blofeld . 
