Harry Potter's Twin Brother, James...by 
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14877Harry Potter has a twin brother , James Jr "Jamie" and younger sister, Josephine "Josie" by a year, a younger twin sisters, Cassiopeia "Cassie...
Harry Potter's triplet Sisters, Au...by 2751212
2751212Aurora 'Rory' Lily Potter is the younger triplet sister and Josephine "Josie" Rose Potter is the younger triplet of Harry and they have a younger sister named...
When The Tables Are Turned on The...by Nina Becker11.9K35339
11.9K35339Harry Potter hasn't seen his cousin in 20 years. But one morning, He gets a letter. Cousin Dudley needs his help. Harry Potter can't believe it, he has a niece, who he h...
The Long Lost Daughter of Draco Ma...by wisegirls06172.5K216
2.5K216~Warning~ Slow Updates
Lets say Scorpius has a twin sister, but this sister was kidnapped as a baby and left in the care of two muggle. Will she be reunited with her rea...
The Snake and the Flowerby Malfoy21581
21581Lily Luna Potter is in her fourth year of Hogwarts and is glad to be spending it with her three best friends: Thistle, Topper and Hugo. However things don't go as expect...