I remember reading once that maternal incest is or was common in New Guinean culture. Does anyone know how true this is?

>>937507349 (OP)
New Guineafag here. I confirm. I'm told my father is also my grandfather is also my great-grandfather.

I fear for my life because my father may see me as competition.

>>937507965
>I'm told my father is also my grandfather is also my great-grandfather.
>my father may see me as competition.
have respect for the elderly anon