[CF] The Cos Family #3897205

members (measured 2 Nov 2026, 16:26 UTC)

20 February 2018

created (per Roblox API)

10 August 2026

first measured by this register

Game studiosENmilitary-simulationroleplayraiding-group

Description

"You can get pretty far with kind words, but you can get even further with a gun" We do what we want, when we want. This is the Cos family way. Established: December 25, 2020 Founder: Killercos Purpose: To raid, take, and occupy. Raiding Places: Feldkirch (Duchy of Vienna), Arnhem Crossing (Canada 1940's), Other places. Event Places: Somme 1917, Breaching Grounds!, Donbass.

Written by the group; not a statement 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 We do not publish numbers we have not measured.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
26 Oct 2026, 20:35	5	first reading

Ownership

Owned by Avraham (@killercos) 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

Avraham (@killercos) — Family Patriarch (rank 255)

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

Rank structure

Family Patriarch0

Matriarch and First Generation0

Second Generation0

Member5

Supporters0

Guest0

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

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.