Todays riddle!

Ahoy there Landlubbers!
Its Pirate Pete here once again, with Todays Quizpirate riddle!

OK without further ado here is todays riddle.....

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 was in the photograph?