In legend Dar Erca is sister to St. Patrick and the mother of seventeen bishops.
"Lupait is one of five sisters attributed to Saint Patrick by later writers and she is portrayed as having shared his experience of being sold into slavery in Ireland."
There are many legends and myths about St. Patrick, the following from Saints and Angels is all that we know for sure:
Patrick was born around 385 in Scotland, probably Kilpatrick. His parents were Calpurnius and Conchessa, who were Romans living in Britian in charge of the colonies.
As a boy of fourteen or so, he was captured during a raiding party and taken to Ireland as a slave to herd and tend sheep. Ireland at this time was a land of Druids and pagans. He learned the language and practices of the people who held him.
Saint Patrick had two sisters.
There is no mention in any biographies about any possible siblings of Patrick.
We have no surviving records that might indicate the names of any siblings Patrick may have had.
If Patrick had any siblings, there is no record of their names.
Wikipedia did not give any info about his siblings, but I am sure he does
There is no conclusive historical evidence regarding whether Saint Patrick had any siblings. Some sources suggest he may have had siblings, while others do not mention them at all.
You have it backwards. Saint Patrick's Day was named after Saint Patrick. March 15 is the Catholic feast day of Saint Patrick.
Saint Patrick was not married.
No, Saint Patrick was not a thief.
Saint Patrick is buried in Down Patrick, Northern Ireland
No, Saint Patrick is Saint Patrick and not known by another saint's name. His birth name, however, was Maewyn Succat.
March 17 is the feast day of Saint Patrick.