what is the term used in describing the marriage of brother and sister or mother and son?

Answer 1

It's an incestuous marriage.

Answer 2

Use Oedipodius for mother and son and omomixiakos for sister and brother, both terms stemming from formal greek!

So: an oedipodios or omomixiakos marriage.-

Ciao..John-John.

Answer 3

It's used incest, but in most countries, it never can be a marriage...

Answer 4

Do you mean an incestuous union?

Strange question.

H

Answer 5

Greek myth

Answer 6

disgusting