EDIT: I forgot to edit the criteria for the royal baby - Jia is already used, so this baby won’t have Jia in its full name if it’s a girl. @michelle6942, @writersrock & @VEL, my bad!
The Fasano Family
DH: Luka Evander Fasano
DW: Liliana Carlotta Fasano (née Cruz Medel)
DS/DS/DS: Logan Hendrix Fasano, Lewis Noam Fasano & Liam Edmund Fasano (andreedueck, SuzieKim & WildPosey)
DS:
His first name starts with L, and his middle name comes from this list: 108 Classic Baby Names with a Twist | Nameberry
The Srebotnik Family
DH: Karlo Srebotnik
DW: Athena Florence Srebotnik (née Michalopoulou)
DD/DS/DD: Cordelia Juno Srebotnik, Arbor Drago Srebotnik & Hazel Athena Srebotnik (lolzabeth, GoldenNebula88 & daisydoodles)
DS/DD/DS:
Their first names are inspired by nature. And their middle names come from any mythology (Greek, Romanian, Norse, Welsh, Irish etc.).
The Rytkönen-Morrow Family
DH: Otto Forrest Rytkönen-Morrow
DW: Zofia Joanna Rytkönen-Morrow (née Ostrowska)
DS: Dario Antony Rytkönen-Morrow (EmotionalMermaid)
DS/DS:
Their first names are of Polish origin (see here), and their middle names will honor their paternal uncles, Gustav Ewan & Samuel Rowan.
The Garcia Alvarez Royal Family
DH: Prince Maximiliano Raphael Cezar Garcia Alvarez
DW: Princess Lei Garcia Alvarez (née Xiang)
DD/DS: Princess Miriam Jia Bai Yasmin Garcia Alvarez & Crown Prince Danilo Zhou Lian Ignacio Garcia Alvarez (GoldenNebula88 & SuzieKim)
D?:
Team green baby, so four suggestions are needed (two for a boy and two for a girl). They will have three middle names. Just make sure that you include names of both Spanish and Chinese origins in all four of them.
Feminine:
Browse Names - Behind the Name (Chinese)
Category:Spanish feminine given names - Wikipedia (Spanish)
Masculine: Browse Names - Behind the Name (Chinese)
Category:Spanish masculine given names - Wikipedia (Spanish)
The Tigranyan Family
DH: Raffi Tigranyan
DW: Theodora Sekai Tigranyan “Teddy” (née Majoro-Simelane)
DS: Leo Henrikh Tigranyan (WildPosey)
DS/DD/DS/DS:
Their first names will be nickname names (for the boys / for the girl), and their middle names have Armenian usage.
For the boys: Category:Armenian masculine given names - Wikipedia
For the girl: Category:Armenian feminine given names - Wikipedia or Browse Names - Behind the Name
The Lauwers Family
DH: Gaël Constantin Lauwers
DW: Emiko Bridget Lauwers (nee Azuki)
DS: Ace Timoleon Lauwers (dejectedpiglet)
DD:
She will have a short, snappy first name, and a “one-of-a-kind” middle name from this list: One-of-a-Kind Names for Girls | Nameberry