He's his own grandpa Now many many years ago When I was twenty-three I was 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 'Cause 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 he was my uncle That also made him brother To the widow's grown-up daughter Who, of course, was my step-mother I'm my own grandpa (He's his own grandpa) It sounds funny, I know But it really is so I'm my own grandpa My father's wife then had a son Who kept him 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 sounds funny, I know But it really is so I'm my own grandpa Now if my wife is my grandmother Then I am her grandchild And every time I think of it It clearly drives me wild For 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 sounds funny, I know But it really is so I'm my own grandpa Oh, that years