diff --git a/libfwupdplugin/fu-udev-device.c b/libfwupdplugin/fu-udev-device.c
index 84ccfc360..9f9cf1c27 100644
--- a/libfwupdplugin/fu-udev-device.c
+++ b/libfwupdplugin/fu-udev-device.c
@@ -1781,6 +1781,48 @@ fu_udev_device_get_siblings_with_subsystem (FuUdevDevice *self,
 	return g_steal_pointer(&out);
 }
 
+/**
+ * fu_udev_device_get_children_with_subsystem
+ * @self: a #FuUdevDevice
+ * @subsystem: the name of a udev subsystem
+ *
+ * Get a list of devices that are children of self and have the
+ * provided subsystem.
+ *
+ * Returns (element-type FuUdevDevice) (transfer full): devices
+ *
+ * Since: 1.6.2
+ */
+GPtrArray *
+fu_udev_device_get_children_with_subsystem (FuUdevDevice *self,
+					    const gchar *const subsystem)
+{
+	g_autoptr(GPtrArray) out = g_ptr_array_new_with_free_func (g_object_unref);
+
+#ifdef HAVE_GUDEV
+	const gchar *self_path = fu_udev_device_get_sysfs_path (self);
+	g_autoptr(GUdevClient) udev_client = g_udev_client_new (NULL);
+
+	g_autoptr(GList) enumerated = g_udev_client_query_by_subsystem (udev_client, subsystem);
+	for (GList *element = enumerated; element != NULL; element = element->next) {
+		g_autoptr(GUdevDevice) enumerated_device = element->data;
+		g_autoptr(GUdevDevice) enumerated_parent =
+			g_udev_device_get_parent (enumerated_device);
+		const gchar *enumerated_parent_path =
+			g_udev_device_get_sysfs_path (enumerated_parent);
+
+		/* enumerated device is a child of self if its parent is the
+		 * same as self */
+		if (g_strcmp0 (self_path, enumerated_parent_path) == 0) {
+			g_ptr_array_add (out,
+					 fu_udev_device_new (g_steal_pointer (&enumerated_device)));
+		}
+	}
+#endif
+
+	return g_steal_pointer (&out);
+}
+
 static void
 fu_udev_device_get_property (GObject *object, guint prop_id,
 			    GValue *value, GParamSpec *pspec)
diff --git a/libfwupdplugin/fu-udev-device.h b/libfwupdplugin/fu-udev-device.h
index 4f0368547..65ac8168b 100644
--- a/libfwupdplugin/fu-udev-device.h
+++ b/libfwupdplugin/fu-udev-device.h
@@ -122,3 +122,5 @@ gboolean	 fu_udev_device_write_sysfs		(FuUdevDevice	*self,
 const gchar	*fu_udev_device_get_devtype		(FuUdevDevice	*self);
 GPtrArray 	*fu_udev_device_get_siblings_with_subsystem (FuUdevDevice *self,
 							     const gchar *subsystem);
+GPtrArray 	*fu_udev_device_get_children_with_subsystem (FuUdevDevice *self,
+							     const gchar *subsystem);
diff --git a/libfwupdplugin/fwupdplugin.map b/libfwupdplugin/fwupdplugin.map
index 56eb586f8..855567b1e 100644
--- a/libfwupdplugin/fwupdplugin.map
+++ b/libfwupdplugin/fwupdplugin.map
@@ -831,6 +831,7 @@ LIBFWUPDPLUGIN_1.6.2 {
     fu_i2c_device_read_full;
     fu_i2c_device_set_bus_number;
     fu_i2c_device_write_full;
+    fu_udev_device_get_children_with_subsystem;
     fu_udev_device_set_dev;
   local: *;
 } LIBFWUPDPLUGIN_1.6.1;