Here is the link to an article about a cousin couple and a Belgium radio interview about their relationship:
It is unfortunately not in English but I have screencapped a translated version below.
As for the radio interview, I don’t know if there’s an English translation for that. If someone here knows what is being said, it would be nice to have a summary.
Here is the English translation of the article (you can find the radio interview in the audio player at the end of the article):