These knowledge articles my be of help in answering your question.
https://www.familysearch.org/en/help/helpcenter/article/individuals-for-whom-i-can-request-temple-ordinances
https://www.familysearch.org/en/help/helpcenter/article/what-is-the-110-year-policy-and-why-was-it-initiated
https://www.familysearch.org/en/help/helpcenter/article/how-do-i-request-ordinances-for-an-ancestor-who-was-born-in-the-last-110-years
https://www.familysearch.org/en/help/helpcenter/article/can-i-request-proxy-temple-ordinances-for-a-friend
https://www.familysearch.org/en/help/helpcenter/article/doing-temple-work-for-people-not-related-to-me