Complex sentence: On 20 October 2010 Pope Benedict XVI announced that Msgr Brandmuller and 23 others would be elevated to the College of Cardinals on 20 November, although over 80 at the time of his elevation and therefore unable to vote in a conclave.
Split into simpler sentences: On 20 October 2010 Pope Benedict XVI announced that Brandmüller and 23 others would be elevated to the College of Cardinals on 20 November. Being over 80 at the time of his elevation, Brandmüller will be unable to vote in a conclave.