Then there isn't any need to use whom in any way (and also the great majority of people Really don't). Are you interested in how people utilised to get it done? Use 'whom whenever it is a direct or oblique item (like after a preposition like 'to'). Stack Exchange https://financefeeds.com/global-fx-market-summary-conflict-between-israel-and-iran-fed-ecb-economic-data-16-june-2025/