What happened between Percy Bysshe Shelley and Harriet Westbrook?

Mary Goodwin came into Percy Shelley's life. He was living separately from Harriet and living with Mary, with whom, he had children. As a result, his marriage with Harriet was ended, and he eloped with Mary. Percy's once said...

“The partner of my life should be one who can feel poetry and understand philosophy. Harriet is a noble animal, but she can do neither.”