 Matilda and Henry V had no children, and when he died in 1125, the imperial crown was claimed by his rival Lothair of Supplinburg.Meanwhile, Matilda's younger brother, William Adelin, died in the "White Ship" disaster of 1120, leaving Matilda's father and England facing a potential succession crisis.On Emperor Henry V's death, Matilda was recalled to Normandy by her father, who arranged for her to marry Geoffrey of Anjou to form an alliance to protect his southern borders.