Her older sister , Marie , married Theobald 's brother , Henry .
In 1164 , Alix married Theobald V , Count of Blois , who had previously attempted to abduct Alix 's mother to force her into a marriage with him .
Alix 's older sister , Marie , Theobald V Theobald 's brother , Henry .
In 1164 , Alix married Theobald V , Count of Blois , who had previously attempted to abduct Alix 's mother to force her into a marriage with him .