2 ), ▁the ▁only ▁Roman ▁for ts ▁in ▁Sel gov ae ▁territory ▁were ▁at ▁Bir r ens ▁and ▁Nether by . ▁However , ▁with ▁the ▁construction ▁of ▁the ▁Anton ine ▁Wall ▁and ▁the ▁re - occupation ▁of ▁territory ▁north ▁of ▁Had rian ' s ▁Wall ▁( c . ▁ 1 4 2 ), ▁Sel gov ae ▁territory ▁was ▁again ▁heavily ▁plant ed ▁with ▁Roman ▁for ts , ▁at ▁Nether by , ▁Bro om holm , ▁Bir r ens , ▁Burn sw ark , ▁Ra eb urn foot , ▁Sh ield hill , ▁Mil ton , ▁Dr um lan rig , ▁D als w inton , ▁Car z ield , ▁L ant ons ide , ▁and ▁Glen lo char . ▁There ▁were ▁no ▁Roman ▁for ts ▁plant ed ▁in ▁the ▁territory ▁of ▁the ▁neighbour ing ▁Nov ant ae . ▁ ▁When ▁Rome ▁largely ▁abandoned ▁its ▁occupation ▁of ▁territory ▁north ▁of ▁Had rian ' s ▁Wall ▁under ▁the ▁re organisation ▁of ▁Marcus ▁A ure lius ▁( c . ▁ 1 7 5 ), ▁they ▁never theless ▁retained ▁for ts ▁at ▁Bir r ens ▁and ▁Nether by , ▁though ▁there ▁would ▁never ▁again ▁be ▁a ▁large - scale ▁military ▁occupation ▁of ▁Sel gov ae ▁territory . ▁Rome ▁perman ently ▁abandoned ▁Sel gov ae ▁territory ▁by ▁ 3 7 0 . ▁ ▁Cultural ▁aff inity ▁ ▁The ▁eth nic ▁and ▁cultural ▁aff inity ▁of ▁the ▁Sel gov ae ▁is ▁assumed ▁to ▁have ▁been ▁Brit ton ic ▁and ▁there ▁have ▁been ▁suggestions ▁that ▁they ▁were ▁an ▁integral ▁part