In 1105, however, Robert's continual stirring of discord with his brother in England as well as civil disorder in Normandy itself prompted Henry to invade Normandy.
Namun, pada tahun 1105, perpecahan terus-menerus antara Robert dengan saudaranya di Inggris serta kekacauan sipil di Normandia sendiri mendorong Henry untuk menyerang Normandia.