Complex sentence: Blackburn won the Brant seat in the Canadian parliament seven times: firstly in a by-election part way through the 28th Canadian parliament, and then in the general elections from the 29th to the 34th parliaments.
Split into simpler sentences: Blackburn won the Brant seat in the Canadian parliament seven times. Firstly in a by-election part way through the 28th Canadian parliament and then in the general elections from the 29th to the 34th parliaments.