diff --git a/pms_l10n_es/wizards/traveller_report.py b/pms_l10n_es/wizards/traveller_report.py
index de3c6138d..a80a71ab4 100644
--- a/pms_l10n_es/wizards/traveller_report.py
+++ b/pms_l10n_es/wizards/traveller_report.py
@@ -298,6 +298,8 @@ def _ses_xml_person_contact_elements(persona, reservation, checkin_partner=False
                 "have a contact method (mail or phone)"
             )
         )
+    if checkin_partner.ses_relationship:
+        ET.SubElement(persona, "parentesco").text = checkin_partner.ses_relationship
 
 
 def _ses_xml_person_elements(comunicacion, checkin_partner):