He is his own grandpa Many, many years ago When I was twenty three I was married to a widow Who was pretty as can be This widow had a grown-up daughter Who had hair of red My father fell in love with her And soon they too were wed This made my dad my son-in-law And really changed my very life Now, my daughter was my mother 'Courrse she was my father's wife To complicate the matter Even though 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, if he was my uncle Then that also made him brother Of the widow's grown-up daughter Who, of course, my step-mother I'm my own grandpa He's his own grandpa It's funny I know, but it really is so For I am my own grandpa My Father's wife then had a son Who kept them on the run And he became my grandchild 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 I'm my own grandpa He's his own grandpa It's funny I know, but it really is so For I am my own grandpa Now, If my wife is my grandmother Then I'm her grandchild And every time I think of it It nearly drives me wild 'Cause now I have become The strangest case you ever saw As husband of my grandmother I am my own grandpa I'm my own grandpa He's his own grandpa It's funny I know, but it really is so For I am my own grandpa It sounds funny I know But it really is so Yeah, I'm my own grandpa