The phrase "because of whom" is grammatically correct and can be used in written English.
It is typically used to refer to a person or group being the reason or cause for something. It is often used to show respect or deference towards the person mentioned. Example: "The event was successful, largely because of the hard work and dedication of the organizing committee, without whom it would not have been possible."
There will be voters who think you're going to hell because of whom you love.
He added, "Because of whom they sold to, it might defuse the whole situation a bit".
He was even more impressive last night, though that might have been because of whom he was facing.
Terrelle Pryor (OAK) — Despite having three double-digit fantasy point games, Pryor has become an afterthought for most fantasy owners (mostly because of whom he plays for).
The state's Republican Party, marooned on an island of ineptitude, could now be liberated partly because of whom Democrats picked as their nominee for the Senate.
It was only a few years ago that we were criminals in the eyes of the law simply because of whom we loved.
That's funny because progressives, many of whom really wanted John Edwards to be the nominee in 2008, only constitute 20 percent of Democrats.
Food inflation hits especially hard here because Indians — most of whom live on less than $2 a day — spend a bigger portion of their disposable incomes on food than people in other big, developing economies like China and Brazil.
By October, all EU countries will be expected to have passed national laws to put the measure into practice.America has been slower, partly because marketers, many of whom are scared by anti-spam legislation, form a powerful lobby.
Joseph Mattioli, the owner of Pocono Raceway, said races would never be shortened there because fans, many of whom come from the New York metropolitan area, are used to 500-mile races.
It has been slow to catch fire because researchers, most of whom do not have a name ambiguity problem, had little incentive to sign up.
