Harry potter potronous story

Can you make any sense of this story and figure out what it is the story of( it's a story in harry potter)

published on May 1623 responses 1 4.5★ / 5

One day a Doe raised by humans and hated by one of them met another doe. They were invited by a
Phoenix to a area were they would be sorted to there group the other doe was sent to a diferent group while the first doe was sent to a group with a stag.

Go on

Over the years the doe started liking the stag, and they mated and had a little stag.

I don't get it
I get it

One day a snake attacked to kill the little stag but the father stag protected them.

I know this story

But the snake killed the father

Go on

The doe sacrificed herself for the little stag.

still no

the little stag had to go live with humans