Complex sentence: In 1990, he was appointed to the Senate of Canada by Governor General Ray Hnatyshyn, on the advice of Brian Mulroney but was soon stricken with an inoperable brain tumour and died in 1991, at the age of 60.
Split into simpler sentences: In 1990, he was appointed to the Senate of Canada by Governor General Ray Hnatyshyn, on the advice of Brian Mulroney. Just after taking up his appointment, he was soon stricken with an inoperable brain tumour and died in 1991, at the age of 60.