premise: Findabair or Finnabair (modern Irish Fionnabhair ] ) was a daughter of Ailill and Queen Medb of Connacht in Irish mythology. The meaning of the name is "white phantom" (etymologically cognate with "Gwenhwyfar", the original Welsh form of Guinevere). The Dindsenchas also mention a Findabair that is the daughter of Lugaid Laigde.
hypothesis: The Queen of Irish mythology passed her daughter off the maids and not be bothered.
reason: We were not given any specific information on how the princess was raised.