Complex sentence: Another foreigner who demonstrated interest in Carlism was Pierre Benoit, one of the most-read French writers of the 20th century and himself a Traditionalist; he adhered to its specific secular breed, in France shaped by the personality of Charles Maurras.
Split into simpler sentences: Another foreigner who demonstrated interest in Carlism was Pierre Benoit, one of the most-read French writers of the 20th century and himself a Traditionalist. He adhered to its specific secular breed, in France shaped by the personality of Charles Maurras.