[freedumb2003]

, many non-geniuses were moved to spread their seed far and wide.

[Verginius Rufus]

I remember a calypso song from many years ago. A young man keeps falling in love with various young women he meets but each time his father quietly tells him that that's his sister "but your mama don't know." Finally when he despairs of finding anyone who isn't his sister, he talks it over with his mother and she tells him, "your papa ain't your papa, but your papa don't know."