diff --git a/main.py b/main.py
index 935d4b0..63c3f1f 100755
--- a/main.py
+++ b/main.py
@@ -78,6 +78,46 @@ def person(person_id: int) -> str | Response:
     )
 
 
+@app.route("/person/<int:person_id>/split", methods=["GET", "POST"])
+def split_person(person_id: int) -> str | Response:
+    """Split person."""
+    item = model.Person.query.get(person_id)
+    assert not item.wikidata_qid
+    if flask.request.method == "GET":
+        return flask.render_template(
+            "person/split.html",
+            item=item,
+        )
+
+    names = flask.request.form["names"].strip().splitlines()
+    print(names)
+    assert len(names) > 1
+
+    item.name = names[0]
+    for cp in item.conferences_association:
+        cp.named_as = names[0]
+
+    for num, name in enumerate(names[1:], start=2):
+        person = model.Person(name=name)
+        database.session.add(person)
+
+        for cp0 in item.conferences_association:
+            cp = model.ConferencePerson(
+                person=person, named_as=name, conference_id=cp0.conference_id
+            )
+            database.session.add(cp)
+
+        for event0 in item.events_association:
+            ep = model.EventPerson(
+                person=person, event_id=event0.event_id, position=num
+            )
+            database.session.add(ep)
+
+    database.session.commit()
+
+    return flask.redirect(flask.url_for("person", person_id=person_id))
+
+
 @app.route("/event/<int:event_id>")
 def event_page(event_id: int) -> str:
     item = model.Event.query.get(event_id)
diff --git a/templates/person.html b/templates/person.html
index 786998d..520b496 100644
--- a/templates/person.html
+++ b/templates/person.html
@@ -62,9 +62,11 @@
   </form>
 
   <form method="POST" action="{{ url_for("delete_person", person_id=item.id) }}">
-    <button type="submit" class="btn btn-primary">delete</button>
+  <button type="submit" class="btn btn-primary">delete</button>
   </form>
 
+  <div><a href="{{ url_for("split_person", person_id=item.id) }}">split person</a></div>
+
   {% if show_wikidata_matches %}
   {% if wikidata_hits %}
   <p>Possible Wikidata matches</p>
diff --git a/templates/person/split.html b/templates/person/split.html
new file mode 100644
index 0000000..ece29da
--- /dev/null
+++ b/templates/person/split.html
@@ -0,0 +1,14 @@
+{% extends "base.html" %}
+
+{% block title %}Split speaker &ndash; Conference archive{% endblock %}
+
+{% block content %}
+  <h1>{{ item.name }}</h1>
+
+  <form method="POST">
+    <div><textarea name="names" rows="5" cols="60">{{ item.name }}</textarea></div>
+    <button>split</button>
+  </form>
+
+
+{% endblock %}