Complex sentence: After the death of Richard Scrope, his widow, Eleanor, married Sir John Wyndham (d.1502), who left his stepdaughter, Mary Scrope, a third part of £1000 for her dowry.
Split into simpler sentences: After the death of Richard Scrope, his widow, Eleanor, married Sir John Wyndham (d.1502). He left his stepdaughter, Mary Scrope, a third part of £1000 for her dowry.