This is a bit of Fridge Brilliance. The seduced little bit is placing it frivolously considering that, judging by his oldest 50 percent-brother's age, Kevan was 14 at most when it started off. A totally screwed-up example happened when the Duke-Consort of Lillah seduced his stepson, the Earl of Io, which is section of what led to the boy likely Ax-Crazy.