There is a great list on Wowhead that I’ve been using, even if I can’t match exactly because some things are not unlocked yet, I still manage reasonably.
The Countess Group
Building Layout
- Refreshments: Tubbin’s Tea Party
- Entertainment: Atoning Rituals
- Decoration: Mortal Reminders
- Security: Stoneborn Reserves
Guests
- Slot 1: Cryptkeeper Kassir
- Slot 2: Droman Aliothe
- Slot 3: RendIe & CudgeIface
- Slot 4: The Countess
Lady Moonberry Group
Building Layout
- Refreshments: Divine Desserts
- Entertainment: Lost Chalice Band
- Decoration: Mortal Reminders
- Security: Maldraxxian Army
Guests
- Slot 1: Plague Deviser Marileth
- Slot 2: Stonehead
- Slot 3: Hunt-Captain Korayn
- Slot 4: Lady Moonberry
Baroness Vashj Group
Building Layout
- Refreshments: Tubbin’s Tea Party
- Entertainment: Lost Chalice Band
- Decoration: Traditional
- Security: Venthyr Volunteers
Guests
- Slot 1: Choofa
- Slot 2: Grandmaster Vole
- Slot 3: Polemarch Adrestes
- Slot 4: Baroness Vashj
Mikanikos Group
Building Layout
- Refreshments: Mushroom Surprise
- Entertainment: Glimpse of the Wilds
- Decoration: Mystery Mirrors
- Security: Stoneborn Reserves
Guests
- Slot 1: Sika
- Slot 2: Kleia and Pelagos
- Slot 3: Alexandros Mograine
- Slot 4: Mikanikos
This was submitted on Wowhead comments by Naks
https://www.wowhead.com/guides/venthyr-covenant-ember-court
Another helpful player - Tyraelsvoid made a chart of guest preferences:-
| Guest | Cleanliness | Danger | Decadence | Excitement | Formality |
|---|---|---|---|---|---|
| Plague Deviser Marileth | Messy | — | — | — | — |
| Sika | Clean | — | — | — | — |
| Grandmaster Vole | — | Dangerous | — | — | — |
| Kleia and Pelagos | — | — | Humble | — | — |
| Choofa | — | — | — | Exciting | — |
| Droman Aliothe | — | — | — | Relaxing | — |
| Stonehead | — | — | — | — | Casual |
| Cryptkeeper Kassir | — | — | — | — | Formal |
| Alexandros Mograine | — | Safe | Humble | — | — |
| Rendle and Cudgelface | Messy | — | — | Relaxing | — |
| Hunt-Captain Korayn | — | Dangerous | — | — | Casual |
| Polemarch Adrestes | Clean | — | — | — | Formal |
| Mikanikos | Clean | Safe | Humble | — | — |
| Baroness Vashj | — | Dangerous | Decadent | Exciting | — |
| Lady Moonberry | Messy | — | — | Exciting | Casual |
| The Countess | — | — | Decadent | Relaxing | Formal |