Harry, Hermione, and Theo became friends in 4th year, Ron an acquaintance later on that year (Referring to Theo). Theo and Hermione Helped Harry with all his tasks when almost the whole school turned on him. It's now 5th year and Harry and Theo both...
Regulus does an illegal blood adoption on Harry, that's legal in America, which adds Regulus as one of Harry's bio parents. Lily is still his mother though and very involved in his life.
Teddy Is Harry's cousin, Sirius is his bio father, Remus was terrified of Teddy being a werewolf so like any other good husband Sirius volunteered in his place, they used a surrogate, NOT TONKS, whom they still keep in touch with.
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Theodore Icarus Nott Jr. 15 @TheoNott Pure blood
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Alexander Atticus Nott 14 @AlexanderNott Pureblood
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Hadrian Jay Arcturus "Harry" Potter-Black 15 @HarryJay Pureblood (Because of the Blood Adoption Regulus did on him)
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Lexi Elouise Marlene "Els" Potter-Black 15 @Elspotter Pureblood (Regulus did a blood adoption on her too) Harry's twin sister
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