Parcae origin is from Italy and it the Italian Fates. Their name derives from Latin root Parere to bear or to give birth. They are spinning goddesses comparable to Moirae or Norns. Originally there were only two Parcae, Decuma and Nona. Later, to correspond with the prototype of the Greek Moirae, they became a triad with the addition of Morta. The Parcae include Nona who rules the nine months of Pregnancy. Decuma who rules birth and Morta who rules over death.
Judika Illes, Encyclopaedia of Spirits the ultimate guide to the magic of fairies, genies, demons, ghosts, gods and goddesses, 2009, Parcae, p 819