This is starting harem there will be more but noted. There will be no concept of wives or concubines in his harem there will only be wives nor slaves or maids
Wives:
Yasaka
Grafiya lucifuge
Lady lucifuge( remi)
Amaterasu
Kuroka
Scathach skadi
Shuri himejima
Akeno himejima
Hela
Lilith
Tiamat
Venelana gremory
Runes gremory
Chysis gremory
Lady death
Gabriel...