diff --git a/lineage_notes.txt b/lineage_notes.txt
index 282395dc..8a77c1dd 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -3655,6 +3655,7 @@ XDD	Recombinant lineage of EG.5.1.1, JN.1, EG.5.1.1 (breakpoints at 6541-7842 an
 XDE	Recombinant lineage of GW.5.1 and FL.13.4 (breakpoint at 24034-24046), Pakistan, from #2352
 XDF	Recombinant lineage of XBB* (with C335T) and EG.5.1.3 (breakpoint around 2335-9692), from sars-cov-2-variants/lineage-proposals#1088
 XDG	Recombinant lineage of FL.37 and EG.5.2.4 (breakpoint at 6729-9693), from #2348
+XDH	Recombinant lineage of BN.1.2.8 and XBB.1.9.1 (or XBB.1.22) (breakpoint between 22630-22663), Lithuania/Belarus
 *A.2.1	Withdrawn: Lineage with sequences predominantly from Panama
 *A.8	Withdrawn: Indian lineage merged with A.9
 *A.10	Withdrawn: Spanish lineage reassigned to A.5
diff --git a/lineages.csv b/lineages.csv
index a18e19b2..742913be 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2499518,3 +2499518,28 @@ England/PHEC-YYENYNO/2023,BN.1.2.8
 Singapore/R11MR126/2023,BN.1.2.8
 Germany/NW-RKI-I-1102230/2023,BN.1.2.8
 Germany/NW-RKI-I-1102141/2023,BN.1.2.8
+CHN/HG20230518-887/2023,XDH
+Shanghai/SCDC-HG0518-887/2023,XDH
+Lithuania/MB230503-0143/2023,XDH
+Lithuania/MB230503-0131/2023,XDH
+Lithuania/MB230503_0143/2023,XDH
+Lithuania/MB230503_0131/2023,XDH
+Lithuania/MB230509-0128/2023,XDH
+Lithuania/MB0523_0208/2023,XDH
+Lithuania/MB230509_0128/2023,XDH
+Lithuania/MB0523_0227/2023,XDH
+Spain/CE-HUCE-2332632/2023,XDH
+England/PHEC-YYEAHG9/2023,XDH
+Lithuania/MB0912_0071/2023,XDH
+Lithuania/MB0608_0139/2023,XDH
+Lithuania/MB0530_0221/2023,XDH
+Lithuania/MB0710_0065/2023,XDH
+Lithuania/MB0817_0034/2023,XDH
+Lithuania/MB0919_0138/2023,XDH
+Lithuania/MB0608_0105/2023,XDH
+Lithuania/MB0710_0033/2023,XDH
+Lithuania/MB0711_0202/2023,XDH
+USA/TN-SPHL-20459/2023,XDH
+USA/CA-CDC-VSX-A357359/2023,XDH
+Lithuania/MB0919_0098/2023,XDH
+Lithuania/MB0912_0097/2023,XDH
diff --git a/pango_designation/alias_key.json b/pango_designation/alias_key.json
index c0e72a49..c607fb41 100644
--- a/pango_designation/alias_key.json
+++ b/pango_designation/alias_key.json
@@ -324,6 +324,7 @@
     "XDD": ["EG.5.1.1","JN.1","EG.5.1.1"],
     "XDE": ["GW.5.1","FL.13.4"],
     "XDF": ["XBB*","EG.5.1.3"],
-    "XDG": ["FL.37","EG.5.2.4"]
+    "XDG": ["FL.37","EG.5.2.4"],
+    "XDH": ["BN.1.2.8","XBB.1.9.1"]
 }