▁of ▁Aqu itaine , ▁and ▁sister ▁of ▁Richard ▁I ▁of ▁England , ▁gain ing ▁ever ▁more ▁influence . ▁His ▁first ▁cousin , ▁Frederick ▁I , ▁Holy ▁Roman ▁Emperor ▁of ▁the ▁H ohen st auf en ▁dynast y , ▁tried ▁to ▁get ▁along ▁with ▁him , ▁but ▁when ▁Henry ▁refused ▁to ▁assist ▁him ▁once ▁more ▁in ▁an ▁Italian ▁war ▁campaign , ▁conflict ▁became ▁in ev itable . ▁Dis poss essed ▁of ▁his ▁duch ies ▁after ▁the ▁Battle ▁of ▁Leg n ano ▁in ▁ 1 1 7 6 ▁by ▁Emperor ▁Frederick ▁I ▁and ▁the ▁other ▁princes ▁of ▁the ▁German ▁Empire ▁eager ▁to ▁claim ▁parts ▁of ▁his ▁vast ▁territ ories , ▁he ▁was ▁ex iled ▁to ▁the ▁court ▁of ▁his ▁father - in - law ▁Henry ▁II ▁in ▁Norm andy ▁in ▁ 1 1 8 0 , ▁but ▁returned ▁to ▁Germany ▁three ▁years ▁later . ▁Henry ▁made ▁his ▁peace ▁with ▁the ▁H ohen st auf en ▁Emperor ▁in ▁ 1 1 8 5 , ▁and ▁returned ▁to ▁his ▁much ▁dimin ished ▁lands ▁around ▁Brun sw ick ▁without ▁recover ing ▁his ▁two ▁duch ies . ▁Bav aria ▁had ▁been ▁given ▁to ▁Otto ▁I , ▁Duke ▁of ▁Bav aria , ▁and ▁the ▁Duch y ▁of ▁Sax ony ▁was ▁divided ▁between ▁the ▁Arch bishop ▁of ▁C ologne , ▁the ▁House ▁of ▁As can ia ▁and ▁others . ▁Henry ▁died ▁at ▁Brun sw ick ▁in ▁ 1 1 9 5 . ▁ ▁Brun sw ick ▁and ▁Han over ▁Henry ▁the ▁Lion ' s ▁son ▁Otto ▁of ▁Brun sw ick ▁was