Does any one know of sister and brother or aunt and nephew or mother and son couples who lived together or who had children together or who got married and what their names are and where they are from?

There are no widely recognized or legally sanctioned cases of siblings, aunts and nephews, or parents and children marrying or having children together due to societal, ethical, and legal prohibitions against incest in most cultures. Such relationships can lead to significant social and genetic consequences. While there may be isolated or historical instances in certain contexts, they are not documented in mainstream society and are often considered taboo.