This is the 16412th most frequent Russian word.
родственниках
"Relatives" or "family members."
In this sentence, 'родственниках' is used in the prepositional case to indicate the context of relatives, showing about whom information is being heard.
Я слышал о твоих родственниках.
I heard about your relatives.
Here, 'родственниках' is in the prepositional case, denoting the topic of conversation during the meeting.
Мы беседовали о родственниках на встрече.
We talked about relatives at the meeting.
In this example, 'родственниках' is used in the prepositional case to specify about whom the book content references.