Complex sentence: Mary Fane nee Neville inherited the titles of Baron le Despenser and Baron Bergavenny from her father whilst her son choose the title of Earl of Westmorland when he was raised to that rank by James I of England.
Split into simpler sentences: Mary Fane nee Neville inherited the titles of Baron le Despenser and Baron Bergavenny from her father. Her son choose the title of Earl of Westmorland when he was raised to that rank by James I of England.