 Ramba uchinyora ndima iyi - Mambo Henry akaramba achitsigira mutongi wechidiki, asi mukupera kwa1046 vavengi vaWilliam vakaungana mukumukira kwakanga kwakanangana neLower Normandy, vachitungamirwa naGuy weBurgundy vachitsigirwa naNigel, Viscount weCotentin, naRanulf, Viscount weBessin. Maererano nenyaya dzingadaro dzine zvinhu zvenhema, pakaedzwa kubata William paValognes, asi akatiza murima, achitsvaka kupotera kuna Mambo Henry. Pakuvamba muna 1047 Henry naWilliam vakadzokera kuNormandy uye vakakunda muhondo yeVal-ès-Dunespedyo neCaen, kunyange zvazvo mashoko mashomanene zvikuru okurwisana chaikoiko akanyorwa. William wePoitiers akataura kuti hondo yacho yakakundwa zvikurukuru kupfurikidza nenhamburiko dzaWilliam, asi nhauro dzapakuvamba dzinotaura kuti varume navatungamiriri vaMambo Henry vakaitawo rutivi runokosha. William akatora simba muNormandy, uye nokukurumidza pashure pehondo akazivisa Truce of God muhurumende yake yose, mukuedza kuderedza hondo nechisimba kupfurikidza nokuganhurira mazuva egore apo kurwa kwaibvumirwa. Kunyange zvazvo Hondo yeVal-ès-Dunes yakaratidza kuchinja kukuru mukutonga kwaWilliam pamusoro pedunhu racho, yakanga isiri mugumo wokurwira kwake kuwana simba pamusoro pevakuru vakuru. Nguva ya1047 kusvika kuna 1054 yakaona hondo dzinenge dzisingapfuuri, nenhamo duku dzakapfuurira kusvikira kuna 1060. 