Re: Son-Sister of Helm?

coyotes morgan mair fheal greykitten tomys des anges wrote:
> In article <[EMAIL PROTECTED]>, "gerard.morvan"
> <[EMAIL PROTECTED]> wrote:
>
>
> sister son
> which was a very strong bond among german tribes
>
> without paternity tests chastity belts
> or locking your wife in the attic for a year
> you have no way of knowing if your wifes children are your own
> and they may have no genetic relations to you
>
> maternity is easier to establish
> and your alleged sister is almost certainly had the same mother
> and your sisters alleged son is almost certainly really her son
> so you will almost certainly share genes with your sister son

This was a big issue in the retellings of the Mabinogion by Evangeline 
Walton -- the culture clash of matrilinear versus patrilinear descent.