diff --git a/pfp_api/main.py b/pfp_api/main.py
index 1302820..ccc854f 100644
--- a/pfp_api/main.py
+++ b/pfp_api/main.py
@@ -25,7 +25,7 @@ def root():
 
 @app.get("/persons")
 def persons(query_parameters: Annotated[PersonParams, Query()]) -> Page[Person]:
-    template = env.get_template("persons.j2")
+    template = env.get_template("persons.rq")
     adapter = SPARQLModelAdapter(
         target="https://pfp-ts-backend.acdh-ch-dev.oeaw.ac.at/",
         query=template.render(dict(query_parameters)),
@@ -36,7 +36,7 @@ def persons(query_parameters: Annotated[PersonParams, Query()]) -> Page[Person]:
 
 @app.get("/person/{person_id}")
 def person(person_id: str):
-    template = env.get_template("person.j2")
+    template = env.get_template("person.rq")
     try:
         person_id = urlsafe_b64decode(person_id).decode()
     except binascii.Error:
diff --git a/pfp_api/templates/base.rq b/pfp_api/templates/base.rq
new file mode 100644
index 0000000..cf2a64b
--- /dev/null
+++ b/pfp_api/templates/base.rq
@@ -0,0 +1,3 @@
+{% include "partials/prefixes.rq" %}
+{% block query %}
+{% endblock query %}
diff --git a/pfp_api/templates/person.j2 b/pfp_api/templates/partials/prefixes.rq
similarity index 67%
rename from pfp_api/templates/person.j2
rename to pfp_api/templates/partials/prefixes.rq
index 2d962b5..7202632 100644
--- a/pfp_api/templates/person.j2
+++ b/pfp_api/templates/partials/prefixes.rq
@@ -1,7 +1,3 @@
 PREFIX crm: <http://www.cidoc-crm.org/cidoc-crm/>
 PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
 PREFIX pfp: <https://www.oeaw.ac.at/acdh/pfp/>
-SELECT ?subject
-WHERE {
-  ?subject pfp:proxy_for <{{ person_id }}> .
-}
diff --git a/pfp_api/templates/person.rq b/pfp_api/templates/person.rq
new file mode 100644
index 0000000..aa45857
--- /dev/null
+++ b/pfp_api/templates/person.rq
@@ -0,0 +1,7 @@
+{% extends "base.rq" %}
+{% block query %}
+SELECT ?subject
+WHERE {
+  ?subject pfp:proxy_for <{{ person_id }}> .
+}
+{% endblock query %}
diff --git a/pfp_api/templates/persons.j2 b/pfp_api/templates/persons.rq
similarity index 65%
rename from pfp_api/templates/persons.j2
rename to pfp_api/templates/persons.rq
index 4b5bc6c..30187b4 100644
--- a/pfp_api/templates/persons.j2
+++ b/pfp_api/templates/persons.rq
@@ -1,5 +1,5 @@
-PREFIX crm: <http://www.cidoc-crm.org/cidoc-crm/>
-PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
+{% extends "base.rq" %}
+{% block query %}
 SELECT ?person ?label ?graph
 WHERE {
   GRAPH ?graph {
@@ -10,3 +10,4 @@ WHERE {
     {% endif %}
   }
 }
+{% endblock query %}