In Present perfect^x, Relative pronouns^x

Solomon_13000 wrote:Are the sentences using the underlined word (pronoun and so on) as shown below correct? Interrogative pronoun/relative pronoun The lady whom you saw just now is my teacher. I consulted a doctor whom I met in Paris I am not sure whom did he invited for the wedding ...

She has found relatives whom she never knew is needed in this context to make better sense. Whom -is the relative pronoun in this clause for the existed relatives.