Obligatory Disclaimer: I own none of the Harry Potter world; except my OCs which will come along later. :)
The Boy Who Lived may have survived the Dark Lord (multiple times at that), fought in a war, and was now serving in the Ministry as an Auror, but somehow, that did not compare to raising three children. James, Albus, and Lily had certainly inherited plenty of Weasley genes. James had levitated himself into a tree at 18 months old, which sent his parents into a tizzy as it took more than an hour to get him down. Albus had gotten peeved at Rose when they were 5 and sent various utensils chasing her about the kitchen before their grandmother came in and set everything back in order. Lily wanted to fly like the birds when she was 3 and had thrown herself from the second floor in the home which resulted in a panicked trip to St. Mungo's and a broken arm.
Needless to say, it was quite a relief once they set off to Hogwarts as it would give their poor, exhausted parents a bit of a break. The siblings were a bit less than happy. Being a part of such a huge family made them all very close. Lily had cried herself to sleep for an entire month when James went off for his first year. The two of them shared a special bond that Albus couldn't quite compete with.
James was of course sorted into Gryffindor joining his practically brother Teddy Lupin, and his many Weasley cousins: Fred, Roxanne, Dominque, Louis, and Lucy. Victoire had been placed into Hufflepuff while Molly was sent to Ravenclaw. It was no surprise when James joined the Quidditch team second year as a Chaser alongside Louis and Dominique and the twin Beaters, Fred and Roxanne. James did nothing to break the mold.
Albus, on the other hand, turned quite a few heads when he started at Hogwarts. While Rose joined most of the family in Gryffindor. Albus shocked the entire Wizarding community by being sorted into Slytherin. His parents were not disappointed in the slightest, but his Uncle Ron pitched a fit. Ginny laid into her older brother which shut him up around them. Unfortunately, Ron was loud and proud about his opinions when talking to his son Hugo and niece Lily. James was also quite a vocal opposition of his brother being put with "the snakes" After a long talk with his parents, he gave his brother a chance, but still was not pleased by the situation at all. Even with most of the family in vocal support of Albus' House, Lily could not let go of her prejudices. She loved her brother to the ends of the earth, but had small feelings of betrayal towards Albus.
The next shock came not in the form of Albus joining the Slytherin Quidditch team his first year as their Seeker, but in his choice of a best mate. Once the Potter kids had returned home for the Christmas holidays, James loudly told his parents that Albus had gotten chummy with "that Malfoy boy." While his parents were a bit upset at the start, after a long talk with each other and Al, they decided old prejudices should be let go and new chances should be given. Even though they approved, the information was kept at bay for as long as possible. This only lasted until summer holiday when Albus came to his parents one morning and asked if he could meet his best friend at Diagon Alley. Harry had choked on his coffee and Ginny had frozen for a second. She recovered first and told him she would be happy to let him go. Once news reached the family, a huge blowout fight amongst the adults had erupted. It took days for the dust to settle. Once it did, the adults had decided if Harry and Ginny could let it go, they could at least be indifferent to the situation as a whole; all but Ron and George.
An apparent, but never confirmed, lunch had occurred between Harry and Draco at some point that summer when a "truce" had been declared. Neither were particularly overjoyed at the situation, but did not want it to have negative effects on their children. Harry felt as if he would be adopting ancient Slytherin views if he refused to allow Albus to be friends with someone simply because of a name. Draco, on the other hand, thought it would be a big step forward if he let family grudges go. So Albus and Scorpius continued their friendship with no added strains of family disappointment; for the most part. After all, Lucius and Narcissa had not been told.
The years passed quickly for the parents and slowly for the children. At long last, Hugo and Lily, the youngest of the bunch, would finally join their siblings and cousins at Hogwarts.