Complex sentence: Lord Portlester (Rowland Fitz Eustace, Baron Portlester) was appointed Lord Chancellor and Lord Treasurer of Ireland by King Henry VII of England, but he was removed because of his part in the crowning of the pretender, Lambert Simnel.
Split into simpler sentences: Lord Portlester (Rowland Fitz Eustace, Baron Portlester) was appointed Lord Chancellor and Lord Treasurer of Ireland by King Henry VII of England. But he was removed because of his part in the crowning of the pretender, Lambert Simnel.