I'm my own Grandpa I'm my own Grandpa It sounds funny I know But it really is so Oh, I'm my 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 changed my very life For 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 soon became my Uncle Though it made me very sad For if he was my Uncle Then that also made him Brother Of the widow's grown up Daughter Who of course was my Step-Mother I'm my own Grandpa I'm my own Grandpa It sounds funny I know But it really is so Oh, I'm 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 If my wife is my grandmother Then I'm her Grandchild And every time I think of it It nearly 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 I'm my own Grandpa It sounds funny I know But it really is so Oh, I'm my own Grandpa