diff --git a/plesna/graph/graph.py b/plesna/graph/graph.py
index ca09e82..be5f28b 100644
--- a/plesna/graph/graph.py
+++ b/plesna/graph/graph.py
@@ -1,21 +1,6 @@
-from functools import reduce
-
 from pydantic import BaseModel
-
-
-class Node(BaseModel):
-    name: str
-    infos: dict = {}
-
-    def __hash__(self):
-        return hash(self.name)
-
-
-class Edge(BaseModel):
-    arrow_name: str
-    source: Node
-    target: Node
-    edge_kwrds: dict = {}
+from functools import reduce
+from plesna.models.graphs import Node, Edge
 
 
 class Graph:
diff --git a/plesna/graph/graph_set.py b/plesna/graph/graph_set.py
index f79f1cd..8809399 100644
--- a/plesna/graph/graph_set.py
+++ b/plesna/graph/graph_set.py
@@ -1,19 +1,4 @@
-from typing import Callable
-
-from pydantic import BaseModel
-
-
-class Node(BaseModel):
-    name: str
-
-    def __hash__(self):
-        return hash(self.name)
-
-
-class EdgeOnSet(BaseModel):
-    arrow: str
-    sources: list[Node]
-    targets: list[Node]
+from plesna.models.graphs import EdgeOnSet
 
 
 class GraphSet:
diff --git a/plesna/models/graphs.py b/plesna/models/graphs.py
new file mode 100644
index 0000000..f2d6895
--- /dev/null
+++ b/plesna/models/graphs.py
@@ -0,0 +1,21 @@
+from pydantic import BaseModel
+
+
+class Node(BaseModel):
+    name: str
+
+    def __hash__(self):
+        return hash(self.name)
+
+
+class Edge(BaseModel):
+    arrow_name: str
+    source: Node
+    target: Node
+    edge_kwrds: dict = {}
+
+
+class EdgeOnSet(BaseModel):
+    arrow: str
+    sources: list[Node]
+    targets: list[Node]
diff --git a/tests/graphs/test_graph.py b/tests/graphs/test_graph.py
index 24f5eb8..0830ad0 100644
--- a/tests/graphs/test_graph.py
+++ b/tests/graphs/test_graph.py
@@ -1,6 +1,7 @@
 import pytest
 
-from plesna.graph.graph import Edge, Graph, Node
+from plesna.graph.graph import Graph
+from plesna.models.graphs import Edge, Node
 
 
 def test_append_nodess():
@@ -94,9 +95,7 @@ def test_get_sources_from(nodes, dag_edges):
     assert graph.get_direct_sources_from(nodes["C"]) == set([nodes["A"], nodes["B"]])
     assert graph.get_direct_sources_from(nodes["D"]) == set([nodes["C"]])
 
-    assert graph.get_sources_from(nodes["D"]) == set(
-        [nodes["A"], nodes["B"], nodes["C"]]
-    )
+    assert graph.get_sources_from(nodes["D"]) == set([nodes["A"], nodes["B"], nodes["C"]])
 
 
 def test_valid_dage(dag_edges, notdag_edges):
diff --git a/tests/graphs/test_graph_set.py b/tests/graphs/test_graph_set.py
index 1806f7e..a93eb81 100644
--- a/tests/graphs/test_graph_set.py
+++ b/tests/graphs/test_graph_set.py
@@ -1,4 +1,5 @@
-from plesna.graph.graph_set import EdgeOnSet, GraphSet, Node
+from plesna.graph.graph_set import GraphSet
+from plesna.models.graphs import EdgeOnSet, Node
 
 
 def test_init():