This man was known for hospitably offering travellers a night's rest in one of his two beds, then inhospitably killing them.
This inhabitant of Corydallus was sometimes known as Polypemon. His granddaughter was given in marriage to Deioneus the Oechalian after giving birth to Melanippus. That granddaughter, Perigune, tried to hide in a thicket of rushes and wild asparagus from the hero who killed this man and his son. That hero killed Cercyon in a wrestling match shortly before killing this man, and killed Periphetes shortly before killing this man's son, who earned the nickname Pityocamptes for his pine-bending ways. This man was known for hospitably offering travellers a night's rest in one of his two beds, then inhospitably killing them. FTP, name this man killed by Theseus who liked to use a rack or an axe to make his victims fit in bed.
This inhabitant of Corydallus was sometimes known as Polypemon.
{Procrustes} or {Damastus} (accept {Polypemon} before mention in the question)