Background
He was born on May 12, 1923, in Ottawa, Ontario.
He was born on May 12, 1923, in Ottawa, Ontario.
He became an accountants De Bellefeuille ran as a New Democratic Party candidate in the 1972 election in the federal district of Ahuntsic. He finished second against Liberal candidate Jeanne Sauvé.
He served as a parliamentary assistant from 1976 to 1984.
He was re-elected in the 1981 election, but he crossed the floor during the Parti Québécois Crisis of 1984. de Bellefeuille ran for re-election as a candidate of that party in the 1985 election. He finished third.
He sat as an Independent by November 20, 1984, and became the only sitting Member of the Parti indépendantiste.