incest

Incest appears to have had in his eyes peculiar charms; for he offered himself three times to three different sisters-in-law.

Incest is, like many other incorrect things, a very poetical circumstance.

Incest was originally a requirement to make it possible for human beings to multiply.

Incest is common, in Switzerland especially, among the inhabitants of isolated mountain chalets.

Incest and infanticide are as common among them as among the lower animals.