diff --git a/Sources/FirebladeECS/FamilyMemberBuilder.swift b/Sources/FirebladeECS/FamilyMemberBuilder.swift
new file mode 100644
index 0000000..c1c79bf
--- /dev/null
+++ b/Sources/FirebladeECS/FamilyMemberBuilder.swift
@@ -0,0 +1,10 @@
+//
+//  FamilyMemberBuilder.swift
+//  FirebladeECS
+//
+//  Created by Christian Treffs on 07.08.20.
+//
+
+@_functionBuilder
+public enum FamilyMemberBuilderPreview<R> where R: FamilyRequirementsManaging { }
+public typealias FamilyMemberBuilder<R> = FamilyMemberBuilderPreview<R> where R: FamilyRequirementsManaging