The title of this article is conjectural.

Although this article is based on official information from the Star Wars Legends continuity, the actual name of this subject is pure conjecture.

"It's kind of confusing because my grandfather married his niece…"

The grandfather of Moff Tyrak was a Human male member of the Tyrak lineage. Tyrak's grandfather married his niece, Tyrak's aunt, continuing the tradition of incestuous marriages in the family.