Complex sentence: British imitations of the French style included "Parthenissa", published in 1654 by Roger Boyle, Lord Broghill, and afterwards Earl of Orrery, which was greatly admired by Dorothy Osborne and achieved a decent measure of popularity.
Split into simpler sentences: British imitations of the French style included "Parthenissa", published in 1654 by Roger Boyle, Lord Broghill, and afterwards by Earl of Orrery. This work was greatly admired by Dorothy Osborne and achieved a decent measure of popularity.