I’m part of E-Z21018 in ISOGG – here’s the tree

ROOT
A000-T
A00-T
A0-T
A1
A1b
BT
CT
DE
E
E1
E1b
E-P2
E-M215
E-M35
E-CTS1243
E-PF1961
E-PF1962
E-M123
E-CTS1264
E-CTS4483
E-CTS5265
E-Z20970
E-FGC18353
E-Z12512
E-PF6748
E-FGC23322
E-PF6747
E-BY1098
E-Z21018

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