Complex sentence: The first European settler was William Blaxton, also spelled Blackstone, who in 1625 built a house and orchard on Beacon Hill's south slope, roughly at the location of Beacon and Spruce street.
Split into simpler sentences: The first European settler was William Blaxton, also spelled Blackstone. In 1625 he built a house and orchard on Beacon Hill's south slope, roughly at the location of Beacon and Spruce street.