Complex sentence: Pen thus comes into possession of the family property of 500 pounds a year, then leases his house at Fairoaks to tenants and returns to London while Laura goes to live as companion to a Lady Rockminster.
Split into simpler sentences: Pen thus comes into possession of the family property of 500 pounds a year. He leases his house at Fairoaks to tenants and returns to London while Laura goes to live as companion to a Lady Rockminster.