sentences:  Henry I had married Bernard's daughter Sibyl to Miles Fitz Walter, the High Sheriff of Gloucestershire, in 1121 and passed a significant portion of Bernard's honour to him as a dowry, including Hay-on-Wye Castle.According to Giraldus Cambrensis this was because Mahel de Neufmarché the son and heir of Bernard had mutilated the paramour of his mother.In vengeance his mother, Nesta, swore to King Henry I that her son was illegitimate.