Complex sentence: He was defeated in the 1930 Canadian election but returned to Parliament as MP for "Toronto East" in a 1934 by-election and remained in the House of Commons until his death in 1950.
Split into simpler sentences: He was defeated in the 1930 election, but returned to Parliament as Member of Parliament (MP) for "Toronto East" in a 1934 by-election. He remained in the House of Commons until his death in 1950.