Many many years ago when I was twenty three,
I got married to a widow who was pretty as could be;
This widow had a grown-up daughter who had hair of red,
My father fell in love with her, and soon the two were wed.

This made my dad my son-in-law and changed my very life,
My daughter was my mother, for she was my father's wife;
To complicate the matters worse, although it brought me joy,
I soon became the father of a bouncing baby boy.

My little baby then became a brother-in-law to dad,
And so became my uncle, though it made me very sad;
For if he was my uncle, then that also made him brother,
To the widow's grown-up daughter who, of course, was my step-mother.

Father's wife then had a son, who kept them on the run,
And he became my grandson, for he was my daughter's son.
My wife is now my mother's mother and it makes me blue;
Because, although she is my wife, she's my grandmother too.

If my wife is my grandmother, then I am her grandchild,
And every time I think of it, it simply drives me wild;
For now I have become the strangest case you ever saw,
As the husband of my grandmother, I am my own grandpa!