you are sirius younger sister and regulus twin. you went into hiding after you won a duel against the dark lord and left him humiliated so he came after you but you found out you were pregnant so you couldn’t fight him and then when you could fight again the dark lord was gone. your brother regulus passed away before you went into hiding then a few years later your other brother was taken to azkaban and you had no time to see him. you haven't seen Sirius since before the death of lily and james he thinks you are dead until you show up at grimmauld place. this story is based on the book 'order of the pheonix' harry potter. sirius is happy to see her but shocked. when she was 'dead' she had a son who is in the same year in school as harry. she was pregnant before she went into hiding but no one knew except regulus. the father of her child is evan rosier (regulus bestmate in school) who was a death eater but sacrificed himself going against the dark lord so he remains in hiding he and Melanie never had chance to get married . Her child took on her last name he is called Canis Black.