Complex sentence: When the Conservatives took power again in 1895, Victoria was again keen for him to take office but opposition within the Conservative Party prevented it; instead he was ennobled as Viscount Llandaff, of Hereford in the County of Hereford.
Split into simpler sentences: When the Conservatives took power again in 1895, Victoria was again keen for him to take office but opposition within the Conservative Party prevented it. Instead he was ennobled as Viscount Llandaff, of Hereford in the County of Hereford.