Complex sentence: Stendhal, by contrast, sees the second section of this chapter as a large footnote to the last line of the genealogy, a lengthy explanation of why Joseph is merely the husband of Jesus's mother but also why Jesus is an heir to David.
Split into simpler sentences: Stendhal, by contrast, sees the second section of this chapter as a large footnote to the last line of the genealogy. An explanation at length of why Joseph is merely the husband of Jesus' mother but also of why Jesus is still a heir to David.