Two entries with the name Patrocles.
Patrocles
Tristan’s paternal grandfather in the Icelandic Saga af Tristram ok Ísodd.
He was the father of Kalegras and the vassal of King Hlöòvir of Spain. He became the leader of the Spanish after his lord was slain in a battle against an invader named Elemmie. He slew Elemmie, but soon died of wounds received in the battle. His brief rulership helped establish his son and grandson as heirs of Spain.
Source
Saga af Tristram ok Isodd | 14th century
Patrocles
Tristan’s grandson. He was the son of King Kalegras and Queen Lilja of England.
Source
Saga af Tristram ok Isodd | 14th century