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Erin Potter walked up to her younger brother's front door. Her brother never knew anything about her. She, of course knew all about him. Who didn't? He's Harry Potter for crying out loud. She'd seen him the four years they had gone to Hogwarts together, but she had never talked to him. They played Quidditch against each other. She was two years older and in Ravenclaw, but they were both excellent Seekers. They were seperated the night that Voldemort killed their parents. She was at her grandparents the night it happened until some people from the order came and got her. It was good they got her when they did because her grandparents,too, were killed that night. At least, that is what her adopted parents told her.

Erin knocked on the door. A young man around age twenty opened the door. He had untidy black hair and striking green eyes behind his circle glasses.

"Hi, can I help you?" he asked.

"Yes, may I come in?" she replied.

"Not until I know who you are." he said.

"I'm Erin. Erin Potter." she supplied.

"Wow, you look an awful lot like an Erin I used to play Quidditch against at Hogwarts. I don't think her last name was Potter, though..."he stated.

"That's me. In school I was Erin Jones." she said

"Oh, that's right Ravenclaw Seeker. You were excellent." he complimented.

"Harry, I'm your sister." she said.

"What? No way. I don't have a sister."

She came inside and explained what happened some 18 years ago. He didn't look entirely convinced.

"That's crazy. Dumbledore would have told me if I had a sister." he said.

"Ask Hagrid. Ask McGonaghall. Ask anybody that was alive then. They all kept it from you because no household could keep us both. I didn't know until like a year ago." she stated.

"We don't even look alike." he observed.

"Actually, we do. Here."

Erin held up a mirror. They looked in it. Yep, they did look alike. Almost identical, except for the eye color. She had dark brown.

"Well, I'm not entirely convinced, but I would like you to come back tomorrow and talk to my friends and girlfriend to see what they think about it." he offered.

"Sure, I'll come. What time?"she asked.

"Four."he replied.

"See you, then."