 Josce was the youngest son of Geoffrey de Dinan and <unk> <unk> , and had two older brothers , Oliver of Dinan and Alan of <unk> . Josce 's family was from Brittany , and he was described by the historian Marjorie <unk> as an " obscure Breton adventurer " . Josce moved from Devon in southern England to the Welsh Marches , the border between England and Wales , because the lords of Monmouth were also of Breton extraction . While in the Marches he joined King Stephen 's household . 
