The name of both Tristan’s father and Tristan’s son in the Icelandic Saga af Tristram ok Ísodd, from Canelengres, Tristan’s father’s surname in German romance.

Tristan’s son, whose mother was Isolde of the White Hands (Iseult), was raised by King Mark after the deaths of Tristan and Isolde. Mark eventually bestowed the throne of England on him.

Kalegras married Lilja, the daughter of Emperor Donísus of Saxony. They had two sons, named Patrocles and Mórodd, and a daughter named Mollina.