http://harrypotter.wikia.com/wiki/Albus_Potter In the epilogue of Deathly Hallows, when Harry’s son expresses trepidation about being sorted into Slytherin, Harry says:
"Albus“Albus Severus, you were named for two headmasters of Hogwarts. One of them was a Slytherin and he was probably the bravest man I ever knew."
—Harry Potter regarding his son's fear of being sorted into Slytherin”
Despite allBravery is the Gryffindors that Harry Potter knewtrait typically associated with Gryffindor.
If Snape was so brave, the bravest wizard Harry metwhy was ahe sorted into Slytherin. instead?