Complex sentence: The first attack force, led by Nama, struck first at the home of Captain James Wilson, built on a contested block of land, killing Wilson, a servant and three of his four children, and wounding his wife, who died several days later.
Split into simpler sentences: The first attack force, led by Nama, struck first at the home of Captain James Wilson, which was built on a contested block of land. Wilson was killed, along with a servant and three of his four children; his wife was wounded and died several days later.