diff --git a/lineage_notes.txt b/lineage_notes.txt
index 4131e858..fa2e5440 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -887,6 +887,7 @@ CH.1.1.17	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17, M:S212G, on C21811T branch, fr
 FK.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1, found mainly in New Zealand and Australia, from pango-designation issue #1718
 FK.1.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.1, ORF1a:A1060T, on C27804T>ORF1b:L2580I>N:G34E branch, New Zealand, from #1881
 FK.1.2	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.2, ORF1a:L384F, ORF1a:R550H
+FK.1.2.1	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.2.1, ORF1a:T891I, Germany/Denmark/Finland/Austria
 FK.1.3	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.3, ORF1b:M1839I, on C27804T>ORF1b:L2580I>N:G34E branch, Australia
 FK.1.4	Alias of B.1.1.529.2.75.3.4.1.1.1.1.17.1.4, S:S704L, on C27804>ORF7a:Y40H branch, Australia
 CH.1.1.18	Alias of B.1.1.529.2.75.3.4.1.1.1.1.18, S:K187T, related to #1747
diff --git a/lineages.csv b/lineages.csv
index fd56a856..4f7e78ce 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2363144,105 +2363144,6 @@ Slovenia/23-010603-MB/2023,FK.1.2
 Slovenia/08-001619-MB/2023,FK.1.2
 Slovenia/23-010410-MB/2023,FK.1.2
 Slovenia/08-001546-MB/2023,FK.1.2
-Denmark/DCGC-645520/2023,FK.1.2
-Denmark/DCGC-645481/2023,FK.1.2
-USA/NC-CDC-LC1034222/2023,FK.1.2
-Denmark/DCGC-645535/2023,FK.1.2
-Austria/AGES-1131736/2023,FK.1.2
-Germany/BW-RKI-I-1126691/2023,FK.1.2
-Denmark/DCGC-644593/2023,FK.1.2
-Ireland/G-NVRL-SIRL00015157/2023,FK.1.2
-Finland/THL-03646/2023,FK.1.2
-Germany/BB-RKI-I-1124571/2023,FK.1.2
-Germany/BY-LGL-IMS-10272-CVDP-fa05600e-ec7f-4e1a-b875-92e7a5b32bd4/2023,FK.1.2
-Denmark/DCGC-643942/2023,FK.1.2
-Germany/NW-RKI-I-1122009/2023,FK.1.2
-Denmark/DCGC-643327/2023,FK.1.2
-Denmark/DCGC-643101/2023,FK.1.2
-Denmark/DCGC-642929/2023,FK.1.2
-England/PLYM-326E8A7A/2023,FK.1.2
-England/QEUH-326EFF92/2023,FK.1.2
-Germany/BW-RKI-I-1118221/2023,FK.1.2
-Germany/BY-RKI-I-1112302/2023,FK.1.2
-Germany/BY-RKI-I-1109196/2023,FK.1.2
-Germany/SN-RKI-I-1125347/2023,FK.1.2
-Netherlands/NH-AUMC-000702/2023,FK.1.2
-France/ARA-HCL723000252301/2023,FK.1.2
-Denmark/DCGC-641739/2023,FK.1.2
-England/BRBR-326EEED2/2023,FK.1.2
-Denmark/DCGC-641700/2023,FK.1.2
-England/PHEP-YYGP3XJ/2023,FK.1.2
-Denmark/DCGC-643278/2023,FK.1.2
-Belgium/rega-46959/2023,FK.1.2
-Denmark/DCGC-644433/2023,FK.1.2
-Denmark/DCGC-642450/2023,FK.1.2
-Denmark/DCGC-645007/2023,FK.1.2
-Netherlands/NH-AUMC-000573/2023,FK.1.2
-Germany/NW-RKI-I-1129440/2023,FK.1.2
-Denmark/DCGC-645315/2023,FK.1.2
-Denmark/DCGC-641148/2023,FK.1.2
-England/QEUH-326C1B56/2023,FK.1.2
-Germany/BY-RKI-I-1107880/2023,FK.1.2
-Germany/BY-RKI-I-1107701/2023,FK.1.2
-Denmark/DCGC-644339/2023,FK.1.2
-Denmark/DCGC-645662/2023,FK.1.2
-Netherlands/GE-AUMC-000943/2023,FK.1.2
-Austria/LB-R00128-S029/2023,FK.1.2
-England/PHEP-YYGKQX4/2023,FK.1.2
-Austria/LB-R00127-S195/2023,FK.1.2
-Austria/Medilab_1688/2023,FK.1.2
-Germany/NW-RKI-I-1122016/2023,FK.1.2
-Germany/NW-RKI-I-1121977/2023,FK.1.2
-USA/NY-CDC-LC1034190/2023,FK.1.2
-Netherlands/UT-RIVM-128768/2023,FK.1.2
-Germany/SH-RKI-I-1117720/2023,FK.1.2
-Germany/BW-RKI-I-1109915/2023,FK.1.2
-Austria/AGES-1134316/2023,FK.1.2
-Denmark/DCGC-645698/2023,FK.1.2
-Germany/BW-RKI-I-1128311/2023,FK.1.2
-Netherlands/ZH-EMC-7922/2023,FK.1.2
-Germany/NI-RKI-I-1121696/2023,FK.1.2
-Germany/BW-RKI-I-1115749/2023,FK.1.2
-Germany/BW-RKI-I-1121742/2023,FK.1.2
-England/QEUH-326EAE12/2023,FK.1.2
-England/BRBR-32707977/2023,FK.1.2
-England/BRBR-32706DD6/2023,FK.1.2
-Denmark/DCGC-645706/2023,FK.1.2
-Denmark/DCGC-645651/2023,FK.1.2
-Denmark/DCGC-645765/2023,FK.1.2
-Denmark/DCGC-645257/2023,FK.1.2
-Austria/AGES-1122886/2023,FK.1.2
-Austria/AGES-1120572/2023,FK.1.2
-Austria/AGES-1131088/2023,FK.1.2
-Austria/AGES-1121851/2023,FK.1.2
-Austria/AGES-1133195/2023,FK.1.2
-Austria/AGES-1120583/2023,FK.1.2
-Denmark/DCGC-644195/2023,FK.1.2
-Denmark/DCGC-644867/2023,FK.1.2
-Denmark/DCGC-645317/2023,FK.1.2
-Denmark/DCGC-645533/2023,FK.1.2
-Denmark/DCGC-645656/2023,FK.1.2
-Denmark/DCGC-643306/2023,FK.1.2
-Denmark/DCGC-644206/2023,FK.1.2
-Denmark/DCGC-645632/2023,FK.1.2
-Denmark/DCGC-645196/2023,FK.1.2
-Denmark/DCGC-644165/2023,FK.1.2
-Denmark/DCGC-643466/2023,FK.1.2
-Denmark/DCGC-645615/2023,FK.1.2
-Denmark/DCGC-645722/2023,FK.1.2
-Netherlands/GE-RIVM-127342/2023,FK.1.2
-Netherlands/NH-RIVM-127908/2023,FK.1.2
-Netherlands/NH-RIVM-128584/2023,FK.1.2
-Netherlands/NH-RIVM-128583/2023,FK.1.2
-Netherlands/NH-RIVM-128600/2023,FK.1.2
-Netherlands/NH-RIVM-128580/2023,FK.1.2
-Netherlands/NH-RIVM-128597/2023,FK.1.2
-Netherlands/GE-RIVM-127345/2023,FK.1.2
-Netherlands/NH-RIVM-128957/2023,FK.1.2
-Netherlands/NH-RIVM-128975/2023,FK.1.2
-Netherlands/NH-RIVM-128598/2023,FK.1.2
-Netherlands/ZH-RIVM-127657/2023,FK.1.2
-Netherlands/GE-RIVM-127343/2023,FK.1.2
 NewZealand/23YA1148/2023,FK.1.2
 NewZealand/23ZA0755/2023,FK.1.2
 NewZealand/23YA1244/2023,FK.1.2
@@ -2408727,3 +2408628,177 @@ Australia/VIC82362/2023,FK.1.4
 Australia/VIC82369/2023,FK.1.4
 Australia/VIC82371/2023,FK.1.4
 Australia/VIC82370/2023,FK.1.4
+Belgium/AZDelta-2314-10320/2023,FK.1.2.1
+Belgium/UGent-1050/2023,FK.1.2.1
+Germany/BY-LGL-IMS-63c2d67ee78a/2023,FK.1.2.1
+Denmark/DCGC-645832/2023,FK.1.2.1
+Finland/THL-04358/2023,FK.1.2.1
+Germany/BY-LGL-IMS-10272-CVDP-fa05600e-ec7f-4e1a-b875-92e7a5b32bd4/2023,FK.1.2.1
+Denmark/DCGC-645481/2023,FK.1.2.1
+Austria/AGES-1131736/2023,FK.1.2.1
+Germany/BW-RKI-I-1126691/2023,FK.1.2.1
+Denmark/DCGC-644593/2023,FK.1.2.1
+Denmark/DCGC-646422/2023,FK.1.2.1
+Germany/SN-RKI-I-1125347/2023,FK.1.2.1
+Denmark/DCGC-643942/2023,FK.1.2.1
+Germany/NW-RKI-I-1122009/2023,FK.1.2.1
+Denmark/DCGC-643327/2023,FK.1.2.1
+Denmark/DCGC-642929/2023,FK.1.2.1
+England/PLYM-326E8A7A/2023,FK.1.2.1
+England/QEUH-326EFF92/2023,FK.1.2.1
+Germany/BW-RKI-I-1118221/2023,FK.1.2.1
+Germany/BY-RKI-I-1112302/2023,FK.1.2.1
+Germany/BY-RKI-I-1109196/2023,FK.1.2.1
+Germany/BB-RKI-I-1124571/2023,FK.1.2.1
+Belgium/rega-46959/2023,FK.1.2.1
+Denmark/DCGC-644433/2023,FK.1.2.1
+England/PHEP-YYGP3XJ/2023,FK.1.2.1
+Denmark/DCGC-644339/2023,FK.1.2.1
+England/BRBR-326EEED2/2023,FK.1.2.1
+Denmark/DCGC-642450/2023,FK.1.2.1
+Denmark/DCGC-645007/2023,FK.1.2.1
+Netherlands/NH-AUMC-000702/2023,FK.1.2.1
+Germany/NW-RKI-I-1129440/2023,FK.1.2.1
+Denmark/DCGC-643278/2023,FK.1.2.1
+France/ARA-HCL723000252301/2023,FK.1.2.1
+Denmark/DCGC-646074/2023,FK.1.2.1
+Denmark/DCGC-641739/2023,FK.1.2.1
+Denmark/DCGC-641148/2023,FK.1.2.1
+Denmark/DCGC-641700/2023,FK.1.2.1
+Netherlands/NH-AUMC-000573/2023,FK.1.2.1
+England/QEUH-326C1B56/2023,FK.1.2.1
+Germany/BY-RKI-I-1107880/2023,FK.1.2.1
+Germany/BY-RKI-I-1107701/2023,FK.1.2.1
+Denmark/DCGC-645315/2023,FK.1.2.1
+Denmark/DCGC-646209/2023,FK.1.2.1
+Denmark/DCGC-643101/2023,FK.1.2.1
+Germany/NW-RKI-I-1122016/2023,FK.1.2.1
+Germany/NW-RKI-I-1121977/2023,FK.1.2.1
+Austria/LB-R00128-S029/2023,FK.1.2.1
+England/PHEP-YYGKQX4/2023,FK.1.2.1
+Finland/THL-04429/2023,FK.1.2.1
+Finland/THL-03646/2023,FK.1.2.1
+Germany/BW-RKI-I-1128311/2023,FK.1.2.1
+Netherlands/ZH-EMC-7922/2023,FK.1.2.1
+Germany/BY-RKI-I-1134031/2023,FK.1.2.1
+Germany/BY-RKI-I-1134024/2023,FK.1.2.1
+Germany/SH-RKI-I-1117720/2023,FK.1.2.1
+Germany/BW-RKI-I-1109915/2023,FK.1.2.1
+Germany/SH-RKI-I-1135015/2023,FK.1.2.1
+Germany/SH-RKI-I-1135104/2023,FK.1.2.1
+Denmark/DCGC-646571/2023,FK.1.2.1
+Denmark/DCGC-646242/2023,FK.1.2.1
+Denmark/DCGC-646338/2023,FK.1.2.1
+France/ARA-HCL023066022001/2023,FK.1.2.1
+Austria/LB-R00127-S195/2023,FK.1.2.1
+Austria/Medilab_1688/2023,FK.1.2.1
+USA/CA-CDC-QDX49773508/2023,FK.1.2.1
+USA/CA-MCPHL-23-01294/2023,FK.1.2.1
+Denmark/DCGC-646076/2023,FK.1.2.1
+Denmark/DCGC-645520/2023,FK.1.2.1
+USA/NY-CDC-LC1034190/2023,FK.1.2.1
+Netherlands/UT-RIVM-128768/2023,FK.1.2.1
+Denmark/DCGC-645862/2023,FK.1.2.1
+Denmark/DCGC-645858/2023,FK.1.2.1
+Denmark/DCGC-646302/2023,FK.1.2.1
+Austria/AGES-1134316/2023,FK.1.2.1
+Denmark/DCGC-645698/2023,FK.1.2.1
+Denmark/DCGC-646518/2023,FK.1.2.1
+Denmark/DCGC-646498/2023,FK.1.2.1
+Denmark/DCGC-645535/2023,FK.1.2.1
+Germany/NI-RKI-I-1121696/2023,FK.1.2.1
+Germany/BW-RKI-I-1115749/2023,FK.1.2.1
+Germany/BW-RKI-I-1121742/2023,FK.1.2.1
+England/QEUH-326EAE12/2023,FK.1.2.1
+England/BRBR-32707977/2023,FK.1.2.1
+England/BRBR-32706DD6/2023,FK.1.2.1
+Canada/SK-RRPL-620650/2023,FK.1.2.1
+Canada/SK-RRPL-620633/2023,FK.1.2.1
+Canada/SK-RRPL-623089/2023,FK.1.2.1
+Canada/SK-RRPL-623081/2023,FK.1.2.1
+USA/NC-CDC-LC1034222/2023,FK.1.2.1
+Netherlands/GE-AUMC-000943/2023,FK.1.2.1
+Denmark/DCGC-645865/2023,FK.1.2.1
+Denmark/DCGC-646363/2023,FK.1.2.1
+Denmark/DCGC-645662/2023,FK.1.2.1
+Denmark/DCGC-644195/2023,FK.1.2.1
+Denmark/DCGC-644867/2023,FK.1.2.1
+Denmark/DCGC-645317/2023,FK.1.2.1
+Denmark/DCGC-645533/2023,FK.1.2.1
+Denmark/DCGC-645656/2023,FK.1.2.1
+Denmark/DCGC-643306/2023,FK.1.2.1
+Denmark/DCGC-646388/2023,FK.1.2.1
+Denmark/DCGC-645706/2023,FK.1.2.1
+Denmark/DCGC-646562/2023,FK.1.2.1
+Denmark/DCGC-645926/2023,FK.1.2.1
+Denmark/DCGC-645651/2023,FK.1.2.1
+Denmark/DCGC-645765/2023,FK.1.2.1
+Denmark/DCGC-645257/2023,FK.1.2.1
+Denmark/DCGC-644206/2023,FK.1.2.1
+Denmark/DCGC-645632/2023,FK.1.2.1
+Denmark/DCGC-645196/2023,FK.1.2.1
+Denmark/DCGC-644165/2023,FK.1.2.1
+Denmark/DCGC-643466/2023,FK.1.2.1
+Denmark/DCGC-646554/2023,FK.1.2.1
+Denmark/DCGC-646497/2023,FK.1.2.1
+Denmark/DCGC-645615/2023,FK.1.2.1
+Denmark/DCGC-645722/2023,FK.1.2.1
+Austria/AGES-1122886/2023,FK.1.2.1
+Austria/AGES-1120572/2023,FK.1.2.1
+Austria/AGES-1131088/2023,FK.1.2.1
+Austria/AGES-1121851/2023,FK.1.2.1
+Germany/BY-RKI-I-1134434/2023,FK.1.2.1
+Austria/AGES-1133195/2023,FK.1.2.1
+Austria/AGES-1120583/2023,FK.1.2.1
+Austria/AGES-1135633/2023,FK.1.2.1
+Austria/AGES-1137068/2023,FK.1.2.1
+Austria/AGES-1136097/2023,FK.1.2.1
+Netherlands/GE-RIVM-127342/2023,FK.1.2.1
+Netherlands/NH-RIVM-127908/2023,FK.1.2.1
+Netherlands/NH-RIVM-128584/2023,FK.1.2.1
+Netherlands/NH-RIVM-128583/2023,FK.1.2.1
+Netherlands/NH-RIVM-128600/2023,FK.1.2.1
+Netherlands/NH-RIVM-128580/2023,FK.1.2.1
+Netherlands/NH-RIVM-128597/2023,FK.1.2.1
+Netherlands/GE-RIVM-127345/2023,FK.1.2.1
+Netherlands/NH-RIVM-128957/2023,FK.1.2.1
+Netherlands/NH-RIVM-128975/2023,FK.1.2.1
+Netherlands/NH-RIVM-128598/2023,FK.1.2.1
+Netherlands/ZH-RIVM-127657/2023,FK.1.2.1
+Netherlands/GE-RIVM-127343/2023,FK.1.2.1
+Northern_Ireland/NIRE-0204fa/2023,FK.1.2.1
+Germany/BB-RKI-I-1133332/2023,FK.1.2.1
+Ireland/G-NVRL-SIRL00015157/2023,FK.1.2.1
+Luxembourg/LNS1061951/2023,FK.1.2.1
+England/PHEP-YYGW1MJ/2023,FK.1.2.1
+Finland/THL-04525/2023,FK.1.2.1
+Finland/THL-04535/2023,FK.1.2.1
+Finland/THL-04193/2023,FK.1.2.1
+Finland/THL-04913/2023,FK.1.2.1
+Finland/THL-04585/2023,FK.1.2.1
+Finland/THL-04575/2023,FK.1.2.1
+Finland/THL-04563/2023,FK.1.2.1
+Finland/THL-04187/2023,FK.1.2.1
+Finland/THL-04119/2023,FK.1.2.1
+Finland/THL-04565/2023,FK.1.2.1
+Finland/THL-04204/2023,FK.1.2.1
+Finland/THL-04907/2023,FK.1.2.1
+Finland/THL-04904/2023,FK.1.2.1
+Finland/THL-04906/2023,FK.1.2.1
+Finland/THL-04219/2023,FK.1.2.1
+Finland/THL-04181/2023,FK.1.2.1
+Finland/THL-04214/2023,FK.1.2.1
+Finland/THL-04216/2023,FK.1.2.1
+Finland/THL-04215/2023,FK.1.2.1
+Finland/THL-04208/2023,FK.1.2.1
+Finland/THL-04999/2023,FK.1.2.1
+Finland/THL-04937/2023,FK.1.2.1
+Finland/THL-04504/2023,FK.1.2.1
+Finland/THL-04503/2023,FK.1.2.1
+Finland/THL-04566/2023,FK.1.2.1
+Finland/THL-04517/2023,FK.1.2.1
+Finland/THL-04557/2023,FK.1.2.1
+Finland/THL-04511/2023,FK.1.2.1
+Finland/THL-04192/2023,FK.1.2.1
+Finland/THL-04898/2023,FK.1.2.1
+Finland/THL-04515/2023,FK.1.2.1