Editing Marcher lord (section)

==Formation of the Welsh March==
{{main|Welsh Marches}}

The Welsh Marches contain Britain's densest concentration of [[motte-and-bailey]] [[castle]]s. After the [[Norman Conquest]], [[William the Conqueror]] set out to [[Norman invasion of Wales|subdue]] the [[Welsh people|Welsh]], a process that took well over two centuries, and was never permanently effective. During those generations the Marches were a frontier society in every sense, and a stamp was set on the region that lasted into the time of the Industrial Revolution. Amid violence and dangers, a chronic lack of manpower afforded opportunities for the intrepid,{{clarify|date=September 2013}} and the Marcher Lords encouraged immigration from all the [[Angevin Empire|Norman-Angevin realms]], and encouraged trade from their "fair haven" ports like [[Cardiff]].  At the top of this culturally diverse, intensely [[feudalism|feudalised]] and local society, the Marcher barons combined the authority of [[English Feudal Baronies|feudal baron]] and vassal of the King among their Normans, and of supplanting the traditional ''[[tywysog]]'' among their conquered Welsh.<ref name=nelson>[[#nelson|Nelson]]</ref>