If I understand the instructions ...
Bronze age cultures
Protovillanovia Martinsicuro (930 BC) : 5.999 - R1
Bronze Age Szolad Hungary (1000 BC) : 9.721 - SZ1
Iron age ethnicities (it's late Antiquity: my actual Iron Age samples have a proximity greater than 10)
Late Roman Empire Crypta Balbi (500 AD) : 9.626 - R107