A/N: So, like I said I would, I'm just going to post the family trees, along with Houses of their children :) I'm not going to go too far into detail, just because ti would be very confusing and time consuming. If you have any questions, or want to know anything, feel free to send me an ask or leave your questions in a review.
James Potter and Rosalie Potter nee Flint
Willa Ginevra - Gryffindor
Sirius Marcus - Slytherin
Hadley Rose - Gryffindor
Albus Potter and Ciaran Potter nee Mulligan
William Thomas - N/A (Squib)
Johnathon Thomas and Lily Luna Thomas nee Potter
Harry Alexander - Gryffindor
Elijah James - Ravenclaw
Claire Luna - Ravenclaw
Percy Elias - Gryffindor
Teddy Lupin and Victoire Lupin nee Weasley
Andromeda Marie - N/A (Attended Beauxbatons)
Nymphadora Apolline - Gryffindor
Cosette Gabrielle - Hufflepuff
Scorpius Malfoy and Rose Malfoy nee Weasley
Cassiopeia Jean - Slytherin
Nicholas Arthur - Gryffindor
Carina Narcissa - Slytherin
Mariette Goulding-Flint and Sophie Goulding-Flint
Tristan Goulding-Flint - Ravenclaw
Jared Olinik and Kate Olinik nee Levesque
Ethan Tobias - Slytherin
Fred Weasley and Iris Weasley
Fabian Greyson - Gryffindor