Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Azellus Denis, PC, QC was a Canadian politician who served in the Parliament of Canada as a Member of Parliament and Senator for the longest period of time, 55 years, 10 months and 20 days. Born in Saint-Norbert, Quebec, the son of Arsène Denis and Georgiana Laporte, he was educated in Saint-Norbert, Joliette and at the Université de Montréal. Denis practised law in Montreal. In 1945, he married Émérencienne Fleury-Bissonnette. He was first elected as a Liberal Member of Parliament in the riding of St. Denis in 1935. His brother Arthur had represented the St. Denis riding in the House of Commons until his death in 1934.