Alfasein, Alfesim, Alfesin, Alphasim, Arfasan, Aufasin, Calafes, Kalafes
The baptismal name of King Calafes, who built the Grail Castle of Corbenic (Carbonek). He was named after the priest who baptized him, a companion of the third Grail keeper, Alain the Large.
In some places he is known as Kalafes, whom, after the baptism, takes the name of Alfasein.
Source
Vulgate Estoire del Saint Graal | 1220-1235