MCmember @Keizerdegroot #5327332907

14 December 2023

account created (per Roblox API)

7 Nov 2026, 04:22

last measured (UTC)

Username record

@Keizerdegroot — observed 7 November 2026

Roblox’s API lists prior usernames without dates; the dates above are when this register observed each name, which bounds — but is not — the change date.

Groups owned (as measured)

Ambulance | Project Rotterdam#232136784

6

Politie | Project Rotterdam#729772743

6

Kmar | Project Rotterdam#971381927

6

DSI | Project Nijmegen#390030778

5

Defensie | Project Rotterdam#274805959

3

Burger | Project Rotterdam#806532706

3

Brandweer | Project Rotterdam#221548575

Open data

Download this user’s observed record: username history (CSV) · record (JSON)

Also a member of

Muffin Interactive#459291258 · Member

Kentauros#34929966 · ⭐Member

KizmoTek Studio#3115970 · Community Member

Mauv +1#860201727 · Member

JOFO Games#15340279 · Support

San Diego Community#177149320 · Member

Swansa X Peaceful Play#33231549 · Member

Demetra Studios#33970134 · Member

gheller drills#1000628384 · Member

Mappy Tappy#220484596 · Member

Place a Brick#1004134319 · Member

Gamelabs Studios#9895392 · 💎Valued Member

+1 Speed Bridge Building#699005683 · Member

Split Second Studios#4413376 · Fan

Vivat's Workers#111213976 · Member

Highfield City Police Department#6117548 · Police Officer

Bikelife Netherlands#16915508 · Member

Frigus#1049814 · Fan

Tycoon Mania Inc#509055847 · ✨ Fan

SUlllll#1110448116 · Member

5 CCUs Games#386851426 · Owners

Sandy Shores | DOJ-RP#10855191 · Member

Motorway Roleplay Community#696897291 · Player

Turbo Society#709508094 · Membro

FRYSLAGG#667521995 · Member

NL | Nederlandse Politie#5348674 · LR | Surveillant

SWAT Simulator#164229485 · Member

[G] Green Army#17365358 · Recruit

RAF • Royal Air Force •#12699169 · [OR-1] Aircraftsman

Fresh Studios.#7040243 · Fans

| Manager Games#32845130 · Member

NL | Verkeerspolitie#5348682 · LR | Afwachting

NL | Koninklijke Marechaussee#5348678 · LR | Try-Out

Central Health Center#34287287 · Member

NL | Brandweer#5348675 · LR | Algemene- / Aspirantfuncties

NL | Ambulance#5348676 · LR | In-opleiding

NL | Rijkswaterstaat#5348681 · LR | Afwachting

OSMO Studios#1039961457 · Supporters

NL | Gemeente#5349124 · Burger

Nationale Politie | NP#3763053 · Non Executieve Medewerker

[NLD] Koninklijke Marechaussee Utrecht.#5746529 · T | Try Out Member

[NLD] Ambulance Utrecht.#5761508 · LR | Ondersteunend personeel

[NLD] Dienst Speciale Interventies Utrecht#5763214 · T | Try Out Member

[NLD] Brandweer Utrecht.#5762670 · LR | Aspirant

[NLD] Ministerie van defensie Utrecht#5763271 · T | Try Out Member

[NLD] Dienst Nationale Recherche Utrecht#7827610 · T | Trainee

Emmen Midden-Drenthe#8306438 · Burger van Emmen

[NLD] Politie Utrecht.#8403120 · LR | Administratief en Ondersteunend Personeel

Politie Emmen Midden-Drenthe#8392457 · LR | Agent in opleiding

Brandweer Emmen Midden-Drenthe#8534966 · MR | Hoofdbrandmeester

Ambulance-Emmen Midden-Drenthe#8510950 · MR | Verpleegkundige specialist

Koninklijke Marechaussee | Emmen Midden-Drenthe#8511046 · T | Try-out Member

Rijkswaterstaat Emmen Midden-Drenthe#33559695 · Sollicitant

Gemeente Leeuwarden (LWD)#4845077 · Inwoner van Gemeente Leeuwarden

[NLD] Rijkswaterstaat Utrecht#10331905 · Try out Member

Burger groep | Rotterdam#10739195 · Burger

[NLD] Koninklijke Diplomatieke Beveiliging Utrecht#15201729 · T | Try Out Member

Politie - Roermond#14779072 · Handhaving

Burger Roermond#14779057 · Burger

Verkeerspolitie | Roermond#33947249 · LR | Afwachting

Koninklijke Marechaussee - Roermond#14779086 · LR | Try-Out

Reddingsbrigade/KNRM | (Rotterdam)#13926992 · LR | Try-Out

Meerdijk Group#9670107 · ⭐ Management

Brandweer - Roermond#14779101 · LR | Algemene- / Aspirantfuncties

Ambulance - Roermond#14779108 · LR | In-opleiding

NLD | Nederlandse Brandweer.#17048438 · 🚒 Aspirant / Algemeen

Politie Meerdijk#796202028 · MR | Verkeersagent

Rijkswaterstaat | Roermond#35345992 · LR | Afwachting

NLD | Nederlandse Politie.#16520552 · 👮Administratief Ondersteunend Personeel

NLD | Gemeente.#17119044 · 🙍‍♂️ Burger I.O.

Groningen-Roleplay#35392670 · Senior Gemeenteambtenaar

Roblox Verkoop Markt#10723982 · 👨‍⚕️Ondersteunend Personeel

Brandweer Meerdijk#34852932 · MR | Hoofdbrandmeester

Grp I Politie#35499053 · MR I Wijkagent

J1l3ins' Projects#16656628 · [💙] member i think

Tilburg Gemeente#9544111 · Burger van Tilburg

Grp I Brandweer#35501673 · MR I Bevelvoerder

Grp I Ambulance#35499318 · HR I Instructeur

NL - Politie Group#16662108 · LR | Administratief/Ondersteunend Personeel

[EHVN] Eindhoven#17094234 · Speler

Grp | Verkeerspolitie#35533892 · MR | specialist

Utrecht Roleplay#33030867 · Burger

Grp I Koninklijke Marechaussee#35499720 · HR I Luitenant-Kolonel

NLD | Dienst Speciale Interventies (DSI)#33896023 · Onofficieel lid

NL - Ambulance Group#16656710 · LR | In-Opleiding

Ambulance Meerdijk#378129532 · ⭐ HC | Algemeen Coördinator Ambulancezorg

Tilburg-Politie#34769207 · LR | Administratief/Ondersteunend Personeel

NL - Koninklijke Marechaussee Group#11757112 · LR | Try-out

Koninklijke Marechaussee-Tilburg#9832189 · LR | Try-Out

Brandweer-Tilburg#9832080 · LR | Algemene- / Aspirantfuncties

Grp I Rijkswaterstaat#578918076 · Afwachtend

Ambulance-Tilburg#9831982 · LR | In-opleiding

Rijkswaterstaat-Tilburg#34798650 · LR | Afwachting

Sonic / Blue Blur's Awesome Group#5763371 · Fans

Koninklijke Marechaussee Meerdijk#726599050 · MR | Kornet

KLM Royal Dutch Airlines [RBLX]#33492118 · DSI Commendant

Dienst Nationale Infrastructuur Meerdijk#908982512 · LR | Berger

Koning Willem III Kazerne, Apeldoorn#583129858 · Cursist

MC | Emmen Midden Drenthe#485596326 · Lid

Membership and rank as measured from this user’s public group list.