 Josce was the youngest son of Geoffrey de Dinan and Radegonde Orieldis , and had two older brothers , Oliver of Dinan and Alan of Becherel . Josce 's family was from Brittany , and he was described by the historian Marjorie Chibnall 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 . 
 Josce was the youngest son of Geoffrey de Dinan and Radegonde Orieldis , and had two older brothers , Oliver of Dinan and Alan of Becherel . Josce <a href='null_genetive' title='1'><mark>'s</mark></a>family was from Brittany , and he was described by the historian Marjorie Chibnall 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 <a href='uninflect' title='2'><mark>were</mark></a> also of Breton extraction . While in the Marches he joined King Stephen <a href='null_genetive' title='3'><mark>'s</mark></a>household . 
Josce was the youngest son of Geoffrey de Dinan and Radegonde Orieldis , and had 2 older brothers , Oliver of Dinan and Alan of Becherel . Josce  fam was from Brittany , and he was described by da historian Marjorie Chibnall as an " obscure Breton adventurer " . Josce moved from Devon in southern England to tdaWelsh Marches , the border between England and Wales , because the lords of Monmouth was also of Breton extraction . While in the Marches he joined King Stephen  household .