Is the following phrase grammatical?
I seem to recall three people, none of who's names I can remember.
Is the following phrase grammatical?
I seem to recall three people, none of who's names I can remember.
No. It is "whose".
"Who's" is the contracted form of "who is", which doesn't make sense in this context and is also ungrammatical..
"Whose" is the possessive form of "who". I'll take the chance and guess that was meant.