Birthmarks and re-incarnation.

First base hypothesis, the emplacement of a birthmark is all about something dedicated to the specific.

An additional was a enquiry lays in detection that a lot daughters who called up their retiring lifetimes carried birthmarks placed on their bodies which will correlated with the demises they said to have gone through prior to being re-incarnated. Other speculation was the Spanish folklore which says that birthmarks be a consequence of un-satisfied indirects request of the female parent during gestation.