Who knows the joke "a muddled account"?

The new dean of the madhouse walked up to a patient and asked him why he was in the madhouse. "Doctor, it is like this. I married a widow with an adult daughter. My father married his daughter, so my wife became her father-in-law's mother-in-law, and her daughter became my stepdaughter and stepmother. My stepmother gave birth to a son, who became the grandson of my brother and my wife. I also have a son who became his grandfather's brother-in-law and his uncle's uncle. On the other hand, when the father mentioned his grandson, he said he was a brother-in-law, and the son called his sister grandma. Now I think I am my mother's father, my grandson's brother, my wife is the daughter of her son-in-law and her grandson's sister. Now I don't know if I am my grandfather, my brother's father or my son's nephew, because my son is my father's brother-in-law. Dean, that's why I'm here. I feel calmer here than at home. "