Complex sentence: After a protracted illness, he died at home in Paris of a heart attack on 27 November 1955 and was interred in the Saint-Vincent Cemetery in the Montmartre Quarter.
Split into simpler sentences: After a protracted illness, he died at home in Paris of a heart attack on 27 November 1955. His mortal remains were interred in the Saint-Vincent Cemetery in the Montmartre Quarter.