So no, Harry Potter is not the son of Severus Snape and Lily Evans. For one, Harry was the youngest seeker and one of the best during his time which is a strong resemblance of his father, James. Harry has been constantly reminded that hes inherited his mothers eyes.

Likewise, why didnt Harry Potter die as a baby? Everyone goes by the explanation in Deathly Hallows given by Dumbledore as to why Harry didnt die at the end of the book. He says: because Voldemort took Harrys blood to recreate his body, Lilys protection kept Harry from dying. When Harry was hit by the killing curse as a baby, it left a visible mark.

Also, what happened to Harry Potters parents?

James and Lily Potter were a married couple and the parents of the famous Harry Potter. They were both Gryffindor students at Hogwarts School of Witchcraft and Wizardry and members of the Order of the Phoenix. They were both murdered by Lord Voldemort on Halloween in 1981, while trying to protect their infant son.

Why did Voldemort attack Harrys parents?

The short answer to your question is that that Voldemort killed Harrys parents because they were in the way. The prophecy scared Voldemort, who then targeted Harry Potter as the child that the prophecy described. When Voldemort went to kill Harry, Harrys parents tried to protect themselves and their son.