This study analyzed how a time-honored fashion house has harmonized its design identity over a sustained period with its successor designers. Givenchy Fashion House was selected as the subject of this study. This study focused on literary research, analyzed design features and fashion images based on photos of Huber de Givenchy`s collections (1952-1995) and collections by Riccardo Tisci (2006-2016), the creative director of the house. Photos were gathered from books and fashion websites; in addition design was analyzed based on a review by experts on collections. The results are as follows. Hubert de Givenchy won fame for simplified modern elegance that presented a new beauty for modern women and reached the peak of his career from the 1950s to the 1960s. Riccardo Tisci respected the couture tradition of the Givenchy Fashion House. He successfully revitalized the house by simultaneously emphasizing his personal design features and reinterpreting the design identity as well as tried to establish new house signatures. In conclusion, the original design identity of the Givenchy Fashion House is based on Hubert de Givenchy`s timeless modern elegance that has been reformed by Riccardo Tisci as romantic goth and sensual elegance.