希尔德贝特參加了於523年－524年，由克洛維一世的四個兒子聯合與勃艮第國王西吉斯蒙德和他的弟弟[[貢多馬爾三世|貢多馬爾]]戰鬥，可能是受到母親克洛蒂爾德的要求，因為她要報復父母被西吉斯蒙德的父親、自己的叔父貢多巴德所殺之仇<ref>{{Cite web |url=http://www.ewtn.com/library/MARY/CLOTILDA.HTM |title=Butler, Alban. ''The Lives or the Fathers, Martyrs and Other Principal Saints'', Vol. VI, D. & J. Sadlier, & Company, 1864 |access-date=2017-07-16 |archive-date=2018-08-09 |archive-url=https://web.archive.org/web/20180809025213/http://www.ewtn.com/library/MARY/CLOTILDA.HTM |dead-url=no }}</ref> 。雖然法蘭克軍隊俘虜了西吉斯蒙德，並於524年5月1日殺死西吉斯蒙德及他的兩名兒子。但是同年，次兄克洛多米爾戰死於攻打[[勃艮第人]]的[[韋澤龍克之戰]]（今[[韋澤龍斯屈爾坦]]）。

克洛多米爾死後，他的弟弟希尔德贝特及克洛泰爾瓜分了他的領土，並殺死了他的三個兒子其中的兩個，克羅泰爾還霸佔了他的妻子貢迪奧克。剩下的兒子克羅多奧德被逼剃髮到新城修道院（後稱[[聖克盧]]修道院，因聖克羅多奧德曾擔任修道院長而名）成為[[修道院長]]，剃髮即代表放棄法蘭克王族的地位<ref name="Bouyer">Christian Bouyer, Dictionnaire des Reines de France, Librairie Académique Perrin, 1992 {{ISBN|2-262-00789-6}}, p. 32-33</ref><ref name="patrick">{{cite web | last =Rabenstein | first =Katherine | title =Cloud (Clodoald, Clodulphus) of Nogent | work =Saint of the Day, September 7 | date =November 1998 | url =http://www.saintpatrickdc.org/ss/0907.shtml | access-date =2017-07-16 | archive-date =2019-12-31 | archive-url =https://web.archive.org/web/20191231093031/http://www.saintpatrickdc.org/ss/0907.shtml | dead-url =no }}</ref> 。希尔德贝特佔領了[[沙特爾]]及奥爾良，而克洛泰爾則佔領了[[圖爾]]及[[普瓦捷]]。

531年，妹妹[[西哥德人]]國王阿馬拉里克的妻子克洛蒂爾德向他發出請求，投訴[[阿里烏教派]]的國王及他的西哥德人國民迫害作為[[天主教徒]]的她，要求她改變[[信仰]]，阿馬拉里克其後更被逐出[[納博訥]]<ref name="Spain 1">{{cite book |url=http://books.google.com.sg/books?id=yA3p6v3UxyIC&pg=PA41 |pages=41– |title=A history of medieval Spain |first=Joseph |last=Callaghan |year=1975 |publisher=Cornell University Press |isbn=9780801492648 |access-date=2017-07-16 |archive-date=2018-12-02 |archive-url=https://web.archive.org/web/20181202155212/https://books.google.com.sg/books?id=yA3p6v3UxyIC&pg=PA41 |dead-url=no }}</ref> 。希尔德贝特與阿馬拉里克因此大戰於[[巴塞隆拿]]<ref name="Spain 1"/><ref>{{cite book |url=http://books.google.com.sg/books?id=M-NmAAAAMAAJ |title=An Ancestral History: 8 B.C. to 1986 : a Life and Times Study of the Allerton, Appling, Barrow, Brewster, Brooke, Ficke, Gambrell, Mattison, Mooney, Newton, Petit, Rheinlander, Schwerdtfeger, Spivey, Trammel, Van Rennselaer, and Wyatt Families in Europe and the American South |first=Thomas Ross |last=Gambrell |year=2001 |publisher=Gateway Press |pages=55– |access-date=2017-07-16 |archive-date=2018-12-02 |archive-url=https://web.archive.org/web/20181202202619/https://books.google.com.sg/books?id=M-NmAAAAMAAJ |dead-url=no }}</ref>。最後阿馬拉里克被打敗並被族人殺害<ref>{{cite book |url=http://books.google.com.sg/books?id=kBBSUxxY3w4C&pg=PA107 |pages=107– |title=The Universal Dictionary of Biography and Mythology, A-clu |last=Thomas |first=Joseph |publisher=Cosimo |year=2013 |isbn=9781616400682 |access-date=2017-07-16 |archive-date=2018-12-02 |archive-url=https://web.archive.org/web/20181202202625/https://books.google.com.sg/books?id=kBBSUxxY3w4C&pg=PA107 |dead-url=no }}</ref> ，而克洛蒂爾德卻在跟隨兄長軍隊返回法蘭克王國的路上逝世。希尔德贝特將她的屍體帶回巴黎安葬，她的母親和兄弟都為她哀悼<ref>{{cite book |url=http://books.google.com.sg/books?id=u8KHqA_dmmAC&pg=PT232 |pages=232– |title=The king's body: sacred rituals of power in medieval and early modern Europe |first=Sergio |last=Bertelli |publisher=Penn State Press |year=2003 |isbn=9780271041391 |access-date=2017-07-16 |archive-date=2018-12-02 |archive-url=https://web.archive.org/web/20181202202643/https://books.google.com.sg/books?id=u8KHqA_dmmAC&pg=PT232 |dead-url=no }}</ref>。