When Henry I moved against his rebellious baron Robert of Belleme, son of Roger of Montgomery, Pembroke Castle was among the Norman strongholds involved. The expulsion of Belleme ended the Montgomery earldom of Shrewsbury and allowed Henry I to restructure Welsh Marcher authority. The episode illustrates how Norman family rivalries directly affected the military situation in Wales, with Welsh rulers often exploiting these divisions.
Aubrey generates in-depth historical research for any location in Britain — drawing on Domesday records, scheduled monuments, Victorian OS maps, geological data and archaeological archives to tell the full story of a place.
Research a location near Pembrokeshire