What became of Percy Shelley’s first wife?

Percy Shelley’s first wife Harriet Westbrook Shelley committed suicide by drowning in 1816, two years after Shelley left her for Mary Wollstonecraft.

Shelley had eloped with the sixteen-year-old Harriet in 1811.

Shelley himself died by drowning in a boating accident aboard his schooner, Ariel, in 1822.