The Serenno System #5905650

members (measured 21 Sept 2026, 18:50 UTC)

6 April 2020

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
12 Aug 2026, 08:17	7	first reading

Ownership

Owned by @JavenLander as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Experiences

players in this group’s experiences right now

427

lifetime visits across 3 experiences

Experiences this group owns, by lifetime visits. Live-player counts are from our last measurement.

Members we’ve seen

@JavenLander — {LED} Count of Serenno (rank 255)

@Hiskanto — {DEV} Royal Architect (rank 250)

majorpayne (@lmperatorUniversal) — {CIV} High-Class Citizen (rank 8)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Rank structure

{LED} Count of Serenno0

{LED} Vidame of Serenno0

{DEV} Royal Architect0

{HICOM} Serennian Guard Commander0

{HICOM} Royal Family0

{HICOM} Baron of Serenno0

{NOBILITY} High Nobility0

{MILITARY} Serennian Guard Officer0

{NOBILITY} Baronet of Serenno0

{GOV} Government Official0

{GOV} Foreign Head of State0

{NOBILITY} Low Nobility0

{MILITARY} Serennian Guard0

{GOV} Foreign Diplomat0

{CIV} High-Class Citizen0

{CIV} Citizen0

{CIV} Low-Class Citizen0

Criminal0

Member7

Off Worlder0

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

House Rist#5544781 · 3 shared members

Tales of the GaIaxy#3731689 · 2 shared members

5,905

【The Blackstar】#4313472 · 2 shared members

Ⓛ The Lander Family Ⓛ#4124880 · 2 shared members

【Syndicate Studios】#8001051 · 2 shared members

【 The Lander Clan 】#4475744 · 2 shared members

【Blackstar Guard】#6252325 · 2 shared members

【Blackstar Adorate】#15974553 · 2 shared members

Paradoxum Games#4914494 · 1 shared members

6,044,936

USSF - United States Special Forces#22025 · 1 shared members

3,413,837

United States Army #3108077 · 1 shared members

1,430,070

SEA Military#2648601 · 1 shared members

1,207,547

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.