Introduction
Pyrrha is a daughter of Epimetheus and Pandora, and, as the wife of Deucalion, one of only two survivors, alongside her husband, of the great flood Zeus sent to destroy a corrupt age of humanity.
Family
The flood
Warned in advance by his father Prometheus, Deucalion built a chest or ark, and he and Pyrrha survived nine days and nights adrift as the flood destroyed nearly everyone else on earth, before landing safely on Mount Parnassus.
Repopulating the earth
Consulting an oracle (of Themis, in most versions) about how to restore humankind, the couple were instructed to "throw the bones of their mother" over their shoulders. Interpreting this correctly as the stones of the earth, mother of all, Pyrrha threw stones that became women, and Deucalion threw stones that became men, repopulating the world. Pyrrha and Deucalion's own son, Hellen, became the legendary ancestor of the Hellenes, the Greeks themselves.