|Irene Hannah Macmillan|
Irene Macmillan (b. 2006) was a half-blood witch and a Hufflepuff student at Hogwarts School of Witchcraft and Wizardry. Most members of her family, including her grandparents, her Great Uncle Edgar, his wife,their children,and her Great Aunt Amelia were all killed by Lord Voldemort during the First Wizarding War and the Second Wizarding War.
Not much is known about the relationship of Irene with her family. What is known is that her father Ernie works for the Daily Prophet and her mother is a member of the Wizengamot. Her relationship with her younger brother Justin is also unknown.
Irene has great friendships with her classmates, especially with her fellow Hufflepuffs. She shows some friendliness with Albus Potter. They appear to be good acquaintances with each other, but they could have a larger relationship than most think they have.