Mixed Blood

[Gordis]

Originally Posted by Aiwendil

I do think, though, that the depiction of the sorrowful parting of Elrond and Arwen in LotR makes more sense if Arwen's choice is understood as a choice for mortality. It always seemed to me that Elrond expected never to see his daughter again.

I never doubted it. As a matter of fact it is stated rather plainly in LOTR:

Arwen Evenstar remained also, and she said farewell to her brethren. None saw her last meeting with Elrond her father, for they went up into the hills and there spoke long together, and bitter was their parting that should endure beyond the ends of the world.

I think" to Earendil and Elwing and their sons" includes all their possible offsprings in the following generations. Elros had the choice and Elrond and Elrond's children. Elros had chosen mortality and became a Man - thus his children were not half-Elven anymore.
In the case of Elrond's children it is only strange why the Choice was made so late: when they had already lived for almost 3000 years. Why wasn't it offered much earlier, around the time when they lived for one human life-span?