Example image of eyePlorer eyePlorer map for 'Welsh Marches': England Great Britain United Kingdom Wales Wales–England border Latin Marcher Lord Middle Ages Principality of Wales French language Old Frankish Proto-Indo-European language Marches Anglo-Saxons Mercia Romano-British culture West Saxon (Old English) Kingdom of Powys Roman Britain Roman Empire Angles Saxons Lichfield List of rulers of Wales Penda of Mercia Cheshire Herefordshire Shropshire 8th century Dee Estuary Oswestry River Severn Wat's Dyke Hereford Market town Offa of Mercia Offa's Dyke Shrewsbury Knighton, Powys Athelstan of England River Wye William of Malmesbury Gruffydd ap Llywelyn Gwynedd Hugh d'Avranches, 1st Earl of Chester Norman conquest of England Norman invasion of Wales Roger de Montgomerie, 1st Earl of Shrewsbury Welsh people William FitzOsbern, 1st Earl of Hereford