Complex sentence: It is reported in the "Plumtree Papers" that he modestly said that he was awarded the King and Queen's medals which refers to the Boer War and he did receive the Queens and Kings South African medals for services in the Boer War.
Split into simpler sentences: It is reported in the "Plumtree Papers" that he modestly said that he was awarded the King and Queen's medals. However he did receive the Queens and Kings South African medals for services in the Boer War.