What happens when the dark lord comes back and the Order of The Phoenix is assembled once again. Bill Weasley comes back to help his family but what happens when he brings a surprise,His fiancé Katherine Lyra Black. The unknown daughter of Regulus Black and Charlotte Black Nèe Rosier. Her mother left her when she was four and she lived mostly in her Father's Old house with the company of a portrait of her grandmother and a house elf. Bill and Katherine were always together. Before they got together they hated it each other though it was only because they were afraid they would end up hurting each other. No one knew Bill had a girlfriend during his Hogwarts Years. He proposed to her after he came back to the triwizard tournament. With the Dark Lord being back he didn't want to waste time and he knew Katherine was the one for him. How will his family react to this surprise and how will her uncle react to knowing his little brother had a daughter. Read to find out! OOTP-DH Female OC x Bill Weasley