Complex sentence: John Marston was born in 1873, his father was a Scottish immigrant, his mother was a prostitute, and in Marston's own words is hinted that his father might have been her pimp.
Split into simpler sentences: John Marston was born in 1873, his father being a Scottish immigrant and his mother a prostitute. In Marston's own words, it is hinted that his father might have been her pimp.