Complex sentence: Schreyer was also the first of Manitoba's social-democratic leaders to be from non-Anglo-Saxon and Protestant background; a German-Austrian Catholic from rural Manitoba, he appealed to constituencies not previously inclined to support the NDP.
Split into simpler sentences: Schreyer was also the first of Manitoba's social-democratic leaders to be from non-Anglo-Saxon and Protestant background. A German-Austrian Catholic from rural Manitoba, he appealed to constituencies not previously inclined to support the NDP.