Zylf Tondbertling

Zylf Tondbertling was an Etrandish prince, younger brother of King Calder I of Etrand, and one of the participants of the Etrandish Succession War of 718 on the usurper/rebel side (together with his brothers Kerlon and Symner). He was also the father of Brelon of Brevia. He was killed by his own men during the Battle of Morshu's Mill, after he ordered them to assassinate his brother Kerlon.