Complex sentence: As the discussions continued, Disraeli referred to them in the Commons, a breach of convention, angering other MPs and annoying the Queen, who spoke to Stanley of her disapproval of Disraeli.
Split into simpler sentences: As the discussions continued, Disraeli referred to them in the Commons, a breach of convention, angering other MPs. This also annoyed the Queen, who spoke to Stanley of her disapproval of Disraeli.