diff --git a/history/characters/NEOW_byzantine_emperors.txt b/history/characters/NEOW_byzantine_emperors.txt
index 7d2c1a006..1861693f3 100644
--- a/history/characters/NEOW_byzantine_emperors.txt
+++ b/history/characters/NEOW_byzantine_emperors.txt
@@ -2885,29 +2885,31 @@ byz_constantine_xi = {
 	1449.1.1 = {
 		name="Konstant_i_act_nos"
 	}
-	1453.5.29 = {
+
+    1453.5.29 = {
         death = { death_reason = death_taken_by_god }
-    }
-    # The Marblist faith is established in 2555, long after the historical death.
-    # Register his *faith-specific* veneration at that date, not in 1453.
-    2555.1.1 = {
         effect_even_if_dead = {
-            # No known grave: prevent a spurious location on the pilgrimage map.
+            # Same character-history canonization effect as Mary in saints.txt.
+            # Constantine XI's grave is unknown: suppress the historical burial marker.
             province:3773 = { set_variable = hide_location_for_saint }
             pam_canonize_saint_effect = {
                 CANONIZER = root
                 CANDIDATE = root
-                CONSECRATION_PROVINCE = province:3773 # placeholder in Byzantine lands; not a historical grave
+                CONSECRATION_PROVINCE = province:3773
                 PRESET = yes
             }
-            # Only the Marblist faith can register Constantine XI as a saint.
             faith:marblist = {
                 if = {
                     limit = { NOT = { has_saint_character = root } }
                     add_saint = { character = root burial_province = province:3773 }
                 }
             }
-            # Neither the wider Eastern Orthodox religion nor other Christian faiths receive him.
+            title:c_serres ?= {
+                consume_saint_relic_charge = character:byz_constantine_xi
+                consume_saint_relic_charge = character:byz_constantine_xi
+                consume_saint_relic_charge = character:byz_constantine_xi
+                consume_saint_relic_charge = character:byz_constantine_xi
+            }
         }
     }
 }