Have you tried Daniel de Rauglaudre's database at http://geneweb.inria.fr/roglo?lang=en . The software in use, GeneWeb, is specialized in relationship and consanguinity computing. You can find more about this here: http://cristal.inria.fr/~ddr/GeneWeb/en/index.html#Par If you search for Carlos II von Habsburg in his database, you will see that he is more inbreeded than if his parents where siblings. He has a consanguinity of 25.35%. If his parents where siblings, and that was the only known inbreed, the consanguinity whould have been 25.00%. The Habsburg dynasty was known for beeing heavyly inbreeded with a lot of marriages between 1. cousins. Brynjulf Langballe "Romualdo Saenz Matienzo" <[email protected]> skrev i melding news:[email protected] > Many scholars have for sure that the old nordic societies, and irish > and picts, had a lack of incest regulations. I know about some > marriages between grandparents and grandaughters, a queen with his > son, siblings, etc (sagas, eddas). But my interest is to look after > some structure of incest repeated in time, that it's: if it exists one > structure of avoiding incest, it may be another structure of incest. > Someone there con help me to know genealogies of sagas and eddas? Thak > you.