Complex sentence: The son of coal owner Samuel Thomas of Ysguborwen, David Thomas was a second-generation industrialist, although his energy and flair for innovation swiftly led him to build a commercial empire larger than his father's.
Split into simpler sentences: The son of coal owner Samuel Thomas of Ysguborwen, David Thomas was a second-generation industrialist. His energy and flair for innovation swiftly led him to build a commercial empire larger than his father's.