Her right to do so was doubtful .
Her right to do so used to justify the 1700 Treaty of London making Archduke Charles the new heir , Spanish possessions in Europe being split between France , Savoy and Austria .
Her right to do so was doubtful but used to justify the 1700 Treaty of London making Archduke Charles the new heir , Spanish possessions in Europe being split between France , Savoy and Austria .