diff --git a/data/personen/cristian-hesselman.json b/data/personen/cristian-hesselman.json
index e5ce792..cef1ede 100644
--- a/data/personen/cristian-hesselman.json
+++ b/data/personen/cristian-hesselman.json
@@ -6,7 +6,6 @@
   "honorary_member": false,
   "nationality": "Dutch",
   "profile_page": "/evenementen/sprekers/cristian-hesselman/",
-  "thumbnail": "/afbeeldingen/personen/cristian-hesselman-200x200.jpg",
   "social": {
     "github": "",
     "instagram": "",
@@ -15,5 +14,5 @@
     "mastodon_url": "https://mastodon.social/@hesselma",
     "twitter": "hesselma"
   },
-  "speaker": true
+  "thumbnail": "/afbeeldingen/personen/cristian-hesselman-200x200.jpg"
 }
diff --git a/data/personen/jan-ainali.json b/data/personen/jan-ainali.json
index d46a161..8e6f52a 100644
--- a/data/personen/jan-ainali.json
+++ b/data/personen/jan-ainali.json
@@ -15,7 +15,6 @@
     "mastodon_url": "",
     "twitter": ""
   },
-  "speaker": true,
   "thumbnail": "/afbeeldingen/personen/jan-ainali-200x200.jpg",
   "websites": [{
     "id": 1,
diff --git a/data/personen/jan-piet-mens.json b/data/personen/jan-piet-mens.json
index f41b508..89998a9 100644
--- a/data/personen/jan-piet-mens.json
+++ b/data/personen/jan-piet-mens.json
@@ -5,12 +5,6 @@
   "gender": "male",
   "nationality": "German",
   "profile_page": "/evenementen/sprekers/jan-piet-mens/",
-  "thumbnail": "/afbeeldingen/personen/jan-piet-mens-200x200.jpg",
-  "websites": [{
-    "id": 1,
-    "name": "Jan-Piet's blog",
-    "url": "https://jpmens.net/"
-  }],
   "social": {
     "facebook": "",
     "github": "jpmens",
@@ -20,5 +14,10 @@
     "mastodon_url": "https://mastodon.social/@jpmens",
     "twitter": "jpmens"
   },
-  "speaker": true
+  "thumbnail": "/afbeeldingen/personen/jan-piet-mens-200x200.jpg",
+  "websites": [{
+    "id": 1,
+    "name": "Jan-Piet's blog",
+    "url": "https://jpmens.net/"
+  }]
 }
diff --git a/data/personen/maarten-aertsen.json b/data/personen/maarten-aertsen.json
index 7012fff..2ed3add 100644
--- a/data/personen/maarten-aertsen.json
+++ b/data/personen/maarten-aertsen.json
@@ -15,6 +15,5 @@
     "mastodon_url": "https://techpolicy.social/@maarten",
     "twitter": ""
   },
-  "speaker": true,
   "thumbnail": "/afbeeldingen/personen/maarten-aertsen-200x200.jpg"
 }
diff --git a/data/personen/nicole-wajer.json b/data/personen/nicole-wajer.json
index b16f05b..683a4e5 100644
--- a/data/personen/nicole-wajer.json
+++ b/data/personen/nicole-wajer.json
@@ -15,6 +15,5 @@
     "mastodon_url": "https://mstdn.social/@vlinder",
     "twitter": "vlinder_nl"
   },
-  "speaker": true,
   "thumbnail": "/afbeeldingen/personen/nicole-wajer-200x200.jpg"
 }
diff --git a/data/personen/rix-groenboom.json b/data/personen/rix-groenboom.json
index 53278ad..a1d4821 100644
--- a/data/personen/rix-groenboom.json
+++ b/data/personen/rix-groenboom.json
@@ -6,7 +6,6 @@
   "honorary_member": false,
   "nationality": "Dutch",
   "profile_page": "/evenementen/sprekers/rix-groenboom/",
-  "thumbnail": "/afbeeldingen/personen/rix-groenboom-200x200.jpg",
   "social": {
     "github": "",
     "instagram": "",
@@ -15,5 +14,5 @@
     "mastodon_url": "",
     "twitter": ""
   },
-  "speaker": true
+  "thumbnail": "/afbeeldingen/personen/rix-groenboom-200x200.jpg"
 }
diff --git a/data/personen/tamara-brandt.json b/data/personen/tamara-brandt.json
index 173540b..1be1f4d 100644
--- a/data/personen/tamara-brandt.json
+++ b/data/personen/tamara-brandt.json
@@ -15,6 +15,5 @@
     "mastodon_url": "",
     "twitter": ""
   },
-  "speaker": true,
   "thumbnail": "/afbeeldingen/personen/tamara-brandt-200x200.jpg"
 }
diff --git a/data/personen/winn-schwartau.json b/data/personen/winn-schwartau.json
index c82152a..20076a0 100644
--- a/data/personen/winn-schwartau.json
+++ b/data/personen/winn-schwartau.json
@@ -4,7 +4,6 @@
   "email": "",
   "gender": "Male",
   "honorary_member": false,
-  "keynote_speaker": true,
   "nationality": "American",
   "profile_page": "/evenementen/sprekers/winn-schwartau/",
   "social": {
@@ -15,6 +14,5 @@
     "mastodon_url": "",
     "twitter": "WinnSchwartau"
   },
-  "speaker": true,
   "thumbnail": "/afbeeldingen/personen/winn-schwartau-200x200.jpg"
 }