Sixtus continued his efforts , even meeting Lloyd George in London about Italy 's territorial demands on Austria in the Treaty of London of 1915 .
The Prime Minister could not persuade Sixtus ' generals that Britain should make peace with Austria .
Sixtus continued his efforts , even meeting Lloyd George in London about Italy 's territorial demands on Austria in the Treaty of London of 1915 , but the Prime Minister could not persuade his generals that Britain should make peace with Austria .