Tenebrae's adoptive father

Tenebrea's father was a male Sith farmer who was the father of Tenebrea who later became the Sith Emperor, and was the husband of Tenebrae's mother.

History
In 5,107 BBY he discovered that his son Tenebrae was Force-sensitive and confronted his wife about the boy's parentage. After she admitted that she had an affair with the ruling Sith Lord, he grew enraged and attacked her. Tenebrea protected his mother by snapping his "father's" neck with just a mere thought, killing his father instantly.

Behind the scenes
Tenebrae's father was first mention in Drew Karpyshyn's novel Star Wars: The Old Republic: Revan, which was released on November 15, 2011.

Appearances

 * Star Wars: The Old Republic: Revan