Prince Imrahil and his mortality

[Nerwen]

Originally Posted by Kuruharan

Quite right.

To assume that the line of Dol Amroth did not have elvish blood in its origins is to assume that Legolas was entirely mistaken in his analysis of Imrahil. I don't believe this is a sustainable notion. Elves knew elvishness when they saw it. The only time I can think of when an elf was (briefly) mistaken on this point was when Voronwë first met Tuor and momentarily thought he was an elf...but realized his mistake almost immediately.

We can also look at this from a story-external point of view: if Imrahil didn't, in fact, have Elvish ancestry, why include that dialogue at all?