diff --git a/actes-princiers/src/actes_princiers/pipelines/populate_mongo/nodes.py b/actes-princiers/src/actes_princiers/pipelines/populate_mongo/nodes.py
index 619120a..d5cb665 100755
--- a/actes-princiers/src/actes_princiers/pipelines/populate_mongo/nodes.py
+++ b/actes-princiers/src/actes_princiers/pipelines/populate_mongo/nodes.py
@@ -54,6 +54,7 @@ class Acte(Document):
     diplo_state = StringField(required=False) # sample: "diplo_state": "Original",
     diplo_type = StringField(required=False) # sample: "diplo_type": "Lettres_patentes",
     image = StringField(required=False)
+    url = StringField(required=True)
 
 def db_connect(storage_ip, db_name, mongodb_admin, mongodb_password):
     #mongodb://%s:%s@149.202.41.75:27017' % (username, password)
diff --git a/actes-princiers/src/actesdataset.py b/actes-princiers/src/actesdataset.py
index 357be1d..0cd8f09 100644
--- a/actes-princiers/src/actesdataset.py
+++ b/actes-princiers/src/actesdataset.py
@@ -3,7 +3,7 @@ import json
 from typing import Dict, Any
 from pathlib import Path
 from abc import ABC, abstractmethod
-
+from unidecode import unidecode # to remove accents in the urls
 
 from lxml import etree
 from bs4 import BeautifulSoup
@@ -121,6 +121,31 @@ class BsXMLDataSet(XMLDataSet):
         prince_code = "_".join(cut[1:3])
         return prince_code
 
+    def make_acte_url_from_filestem(self, house, prince_name, filestem):
+        """
+        url sample : /acte/Bourbon/Louis_ii/1367_04_26a
+        
+        """
+        # bourbon -> Bourbon
+        house = house.capitalize()
+        # "Louis II de Bourbon" -> "Louis"
+        prince_name = prince_name.split(" ")[0]
+        # "anj_isa_i" -> "i"
+        prince_number = filestem.split("_")[2]
+        prince_name = unidecode(prince_name)
+        # Isabelle + i -> Isabelle_i
+        prince_name = prince_name + "_" + prince_number
+        timeitem = self.make_timeitem_from_filestem(filestem)
+        # final url 
+        return "/" + "/".join(['acte', house, prince_name, timeitem])
+        
+    def make_timeitem_from_filestem(self, filestem):
+        """
+        "anj_isa_i_1441_08_05a" -> "1441_08_05a"
+        """
+        trs_fname = filestem.split('_')
+        return "_".join(trs_fname[3:])
+        
     def transform(self):
         #soup = make_soup(os.path.join(folder, acte))
         # 1.1/ Get all data from XML (9). counter is the id (= numb_acte)
@@ -198,28 +223,28 @@ class BsXMLDataSet(XMLDataSet):
                      latitude = latitude,
                      longitude = longitude
                      )
-        # nakala 
+        # nakala
         image = self.soup.find("graphic")
         if image is not None:
             image = image.get('url')
+        prince_name = self.find_prince_name()
+        #self._filepath
+        # data/01_raw/xml/Berry/bry_je_i_1405_05_04a.xml
+        house = self.filepath.split("/")[3]
         return {
-#           "num_acte": counter,
-            "prince_name": self.find_prince_name(),
+            "prince_name": prince_name,
             "prince_code": self.extract_prince_code_from_filestem(numb),
             "filename": numb,
             "date_time": date_time,
             "date": date,
-#            "prod_place_acte": place_query[0],
             "analysis": analyse,
-#            "doc_acte": doc_query[0],
             "ref_acte": ref_acte,
             "transcribers": self.find_transcribers(),
             "place": place,
             "diplo_type": type_diplo,
             "diplo_state": diplo_state,
-            "image": image
-#           "state_doc": state_query[0],
-#           "diplo_type_acte": diplo_query[0]
+            "image": image,
+            "url": self.make_acte_url_from_filestem(house, prince_name, numb)
             }
 
 class DataSetCollection(AbstractDataSet):
diff --git a/actes-princiers/src/requirements.txt b/actes-princiers/src/requirements.txt
index 832f671..ee0a313 100644
--- a/actes-princiers/src/requirements.txt
+++ b/actes-princiers/src/requirements.txt
@@ -11,3 +11,4 @@ nbstripout~=0.4
 pymongo~=4.5.0
 mongoengine~=0.27.0
 folium~=0.14.0
+Unidecode~=1.3.7