"Nobody likes a disgusted scion."
Scion was a Breen designation for a direct descendant of the Emperor.
In 3191, the current ruling family in the Breen Imperium of the Yod-Thot royalty experienced the death of their Emperor. This resulted in the Scion, L'ak, being used as a political pawn to help others ascend to the throne. (DIS: "Erigah")