It was nominally created in NUMBER@1 when PERSON@1 , the last duke of LOCATION@1 , died and PERSON@2 I , PERSON@3 -LRB- who had married PERSON@4 's cousin , PERSON@5 -RRB- , inherited the major part of his possessions .

It was formed in NUMBER@1 when PERSON@6 , the last duke of LOCATION@1 died and PERSON@2 I , PERSON@3 -LRB- who had married PERSON@7 's cousin , PERSON@5 -RRB- inherited his possessions .
