And another connection with the Greek legends! The three Fates, or Moirae, were the personifications of destiny. They wore white robes, and their names were Clotho, Lachesis, and Atropos. Clotho (literally "spinner") spun the thread of life from her distaff onto her spindle. Lachesis would measure the thread of life, and Atropos would cut it off (decide when it was time for someone to die).
Apart from the fact that the Greeks usually depicted her as an old hag, Ianna looks very much like Clotho.
The Romans and the Norse peoples also had sets of three very similar goddesses, the Fata and the Norns.
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To err is human; to arr is pirate.