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The Sovereign-Duchy of Brittany

The Sovereign-Duchy of Brittany #5139862

1
members (measured 12 Oct 2026, 18:00 UTC)
30 August 2019
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 We do not publish numbers we have not measured.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)MembersChange
1 Sept 2026, 23:551first reading

Ownership

Owned by @LYON_FanTV as measured.

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

Members we’ve seen

@LYON_FanTV — [Holder] Son Altesse Sérénissime, Beatrix-Madeleine Angélique, Duchesse Douairiére de Bretagne (rank 255) terminated

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

Rank structure

[Holder] Son Altesse Sérénissime, Beatrix-Madeleine Angélique, Duchesse Douairiére de Bretagne0
Son Altesse Sérénissime, Constantin VIII, Duc-Souverain de Bretagne0
Son Altesse Sérénissime, Irene-Louis Madeleine, Duchesse-Souverain de Bretagne0
Son Altesse Sérénissime, Maximilien IV, Archiduc de Rennes0
Famille Impériale0
Archichancelier0
Prince-Archevêque de Bretagne0
Maître et Maîtresse de la Maison0
Conseil du Duc-Souverain0
Maison Imperiale0
Clergé0
Noblesse0
Garde Impériale0
Serviteurs0
Bourgeoise0
Prisonniers0
Serfs0
Member1
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.

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.