Brothers And Sisters I Have None

Please explain this quote from "Blood Relations: "Brothers and sisters have I none, but that man's father is my father's son."

Who is that man?

Expert Answers
ms-mcgregor eNotes educator| Certified Educator

This is an old brain teaser. The full question is:
A man is looking at a photograph of someone. His friend asks who it is. The man replies, 'Brothers and sisters, I have none. But that man's father is my father's son'. Who is in the photograph?
Answer: the man's son

amy-lepore eNotes educator| Certified Educator

"That man" is the speaker himself.  No brothers and sisters, but the father of that man is my father's son.  He is looking at a mirror, perhaps.

poteoibft | Student

We can solve this problem algebraically with the following:

Assume you are generation 5, and 'that man' is generation 'x'.

We have: 'that man's father is my father's son'

When we have a father, we go down one generation, and when we have a son, we go up one.

Therefore,        X-1           =     5-1+1

X-1           =     5

X              =     6

Since we are generation 5, and that man is generation 6, that man is one generation later, and is therefore my son.


Or, if you're not into math:

That man's father is (my father's son)

That man's father is (me)

Therefore, that man must be my son.

ayusheeshah | Student

my fathers son means the speaker himself as he does'nt have any brothers and sister....

that man's father means the father is the speaker ,here he is refering man as his son

so the man the speaker is refering to is his(speaker's) son

lilbam69 | Student

Brother's and Sister's I have None But that man's Father is my Father's Son mean's

Son is Jesus and Father is God he is looking at a picture of Jesus

elylrc | Student

Both answers are correct.  It depends upon which question is asked.  The original as told by my grandfather, was who is he talking about.........himself.  Who is he looking at, the man in the picture........his son.

slogger | Student

He is looking at himself.

This is a very very old riddle I remember in the Eagle Annual of some 50 years ago. Logic suggests it is his son but the answer is himself !!!

I have NEVER been able to work out how it could be himself but that IS the answer.


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Blood Relations

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