diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/ContactDiaryEntry.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/ContactDiaryEntry.kt
new file mode 100644
index 0000000000000000000000000000000000000000..f750804714bfef14fde452c5a1fbda10795ca2cd
--- /dev/null
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/ContactDiaryEntry.kt
@@ -0,0 +1,9 @@
+package de.rki.coronawarnapp.contactdiary.model
+
+import java.time.Instant
+
+data class ContactDiaryEntry(
+    val person: Person,
+    val location: Location,
+    val dateAddedEntry: Instant?
+)
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Location.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Location.kt
new file mode 100644
index 0000000000000000000000000000000000000000..7ea04e56f00823183858c5a5849d32af26d260e6
--- /dev/null
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Location.kt
@@ -0,0 +1,5 @@
+package de.rki.coronawarnapp.contactdiary.model
+
+data class Location(
+    val locationName:String
+)
diff --git a/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Person.kt b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Person.kt
new file mode 100644
index 0000000000000000000000000000000000000000..5088f0c6b55f1cfbb03f708ac6c80561691b0900
--- /dev/null
+++ b/Corona-Warn-App/src/main/java/de/rki/coronawarnapp/contactdiary/model/Person.kt
@@ -0,0 +1,5 @@
+package de.rki.coronawarnapp.contactdiary.model
+
+data class Person(
+    val completeName:String
+)