Sirius Black and Remus Lupin both jumped at the sound of a small pop in the kitchen at Number 12 Grimmuald Place. There stood Albus Dumbledore, headmaster of Hogwarts, the man who knew everything.

"Dumbledore," Sirius said rising to great Dumbledore "you didn't need to come here just because of that owl.'

"Sirius, I did. Please sit down, you too Remus. We need to talk." Dumbledore said in his usual calm tone.

The three men sat down at the table as Lupin summoned butterbeer from the counter. The two younger men started at Dumbledore, anxious to know what was so important that Dumbledore felt he had to come talk to them in person.

"Sirius, your Godson and his friends are quite the observant ones, aren't they?" Dumbledore smiled.

"I suppose they are Sir. But to be honest I don't know what alerted them to the fact that I may have a relation." Sirius replied.

"Look at this picture." Dumbledore said sliding a picture to the two men.

Sirius and Lupin looked down at the face of a smiling girl with platinum blonde hair. Lupin looked at Sirius and the picture.

"My God Sirius, the resemblance is uncanny." Lupin exclaimed. "Except for the hair. That hair of hers sure is blonde."

"Her hair is dyed. It is naturally chocolate brown, almost black." Dumbledore said.

"Dumbledore, you've showed me a picture. I understand where Harry and his friends saw the resemblance I guess, but please, not to be rude, but can we get to the point." Sirius said, still staring at the picture.

"Sirius, the girl in the picture is indeed related to you. Her name is Anastasia Charlotte Black. She's your sister Sirius."

"My what? I don't- It's not possible. Dumbledore?" Sirius said stumbling over his words.

"Your sister Sirius, born in the same year as Harry, a mere three months later."

"You have a lot of explaining to do." Sirius commented

"Let me start at the beginning Sirius," Dumbledore began, "After you left home and severed ties with your parents Anastasia was born. When she was four, your parents died. In their will they requested that your sister be brought up by their dearest friends Brian and Cecile LaSalle. Do you remember them?"

"My sister had to live with those horrid people!" Sirius almost yelled. "They were no better than my parents."

"Sirius, calm yourself." Dumbledore said. "Your sister is fond or these people. She's been living in the United States with them since she was six. They did not follow in your parent's foot steps after moving to the United States. She knows about you, in a way. Brian and Cecile, on my recommendation told her she had a brother and that he was in hiding after being falsely accused of a crime."

"I want to meet her, I want to see my sister."

"Sirius, she starts school soon, this is not the best time-" Dumbledore began.

"Dumbledore! She is my sister, the last of my family! I have every right to meet her!"

"Alright they Sirius, I shall speak to her later today. However, before I go I feel I must advise you. In the past few years Harry has become a mixture of brother and son to you. He no doubt will feel jealous about sharing you with someone else. Take care with how you choose to handle the situation. Also, if I bring Anastasia to see you I will be bringing her and only her. I will not tell Harry and his friends about the relationship, that is for you and your sister to handle."

"Alright Dumbledore."

"Now if you'll excuse me. I have to go find Anastasia." With another pop Dumbledore was gone.

Sirius and Lupin sat there. In a stunned silence. It was Remus who spoke first.

"A sister huh?"

"Ya, a sister. Who would have guessed." Sirius said.

"You okay?"

"Ya, fine. It's just weird." Sirius sighed. "How is this supposed to work?"

"Got me. I'm sure you'll do fine though. Are you happy though?"

"Ya I'm happy, I have a sister Remus!"

At the Leaky Cauldron in Diagon Alley several people looked up as a elderly wizard in flowing robes strode over to the table where Harry, Ron, and Hermione were sitting.
"I need to speak with Anastasia. Hermione please get her for me."

AN: Please read and review. I love reading what you have to say! Thank you so much!