both of whom vs both of which

Both "both of whom" and "both of which" are correct, but they are used in different contexts. "Both of whom" is used when referring to people, while "both of which" is used when referring to things or animals.

Last updated: April 03, 2024 • 257 views

This phrase is correct when referring to people.

"both of whom"

Use "both of whom" when referring to people. It is a formal and correct way to introduce a group of people.

Examples:

I invited two friends, both of whom are coming to the party.
There are two candidates, both of whom are highly qualified.
I have two brothers, both of whom live in different cities.
She has two sisters, both of whom are doctors.
There are two teachers, both of whom are very experienced.

Show examples from the web [+]

Or chiropractors, both of whom have limited doctor-patient privilege.
He further claimed he had consulted, regarding the value of his collection, with Leonard Bernstein and Henry Mancini, both of whom denied this.
He had contact with Adolph Tidemand and became a good friend of Hans Gude both of whom were professors at the art academy in Düsseldorf.
His notable students include Jascha Brodsky and Ivan Galamian, both of whom became influential violin teachers of the latter part of the twentieth century.
Collier's views on religion and ethics are interesting for their comparison with the views of Thomas and Julian Huxley, both of whom gave Romanes lectures on that subject.
The backdrop displays General Zodd and Superman, both of whom are in their fighting stance.
Among the researchers who qualified this time around are Sergey Glazunov and Miaubiz, both of whom regularly get payouts from Google for their research.
The article has thorough updates with Em and Vicki, both of whom I've also interviewed in the past year for my Interweave crochet column.
The single institution study included 2 paediatric patients (< 18 years old), both of whom achieved CR.
We have repeatedly appealed to the words of St. Justin and Tertullian, both of whom wrote before the end of the second century.
It has hence been considered disloyal by the two northerner presidents Patassé and Bozizé, both of whom have equipped and run their own militias outside FACA.
Under his auspices, the castle was partially restored before being sold to George Cubitt, 1st Baron Ashcombe, and later to Lord Curzon, both of whom undertook further restoration work.
The conversation with Medidata brought together Michael Shullich, Senior Director, and Naimisha Kollu, Senior Information Systems Project Manager, both of whom work in the Business Innovation Office.
During the sojourn of Erasmus at Oxford (1497-9) he found kindred hellenistic spirits in William Grocyn and Thomas Linacre, both of whom had been educated in Italy.
She rescued two other young American women, both of whom told similar stories.
He also met the Blount sisters, Teresa and Martha, both of whom would remain lifelong friends.
The latter track also features Titelman's brother-in-law, guitarist Ry Cooder, both of whom appear on Captain Beefheart's Safe as Milk album.
Prominent members of the SDS were Milan Babić and Milan Martić, both of whom later became high-ranking RSK officials.
I have two sisters, both of whom are married.
And Cousin Dave, both of whom oppose the sale entirely.

Alternatives:

both of them
both of the people
both of the individuals
both of the persons
both of the friends

This phrase is correct when referring to things or animals.

"both of which"

Use "both of which" when referring to things or animals. It is a formal and correct way to introduce a group of objects or animals.

Examples:

There are two books, both of which are interesting.
I have two cars, both of which are red.
There are two dogs, both of which are friendly.
She has two houses, both of which are big.
There are two options, both of which are good.

Show examples from the web [+]

The reason "both of which" may show up on Google more times than "both which" has to do with rhythm--not grammar. English is said to flow in iambic rhythms, ...
Does" both of which" means the same as "both of them"? Are they interchangeable? For instance:"we will take a look at two negatives parts of our ...
Sep 21, 2001 ... Mammalian cells express two VPS4 proteins both of which are involved in intracellular protein trafficking. J Mol Biol.
Nov 13, 2019 ... In your original sentence, I would separate them into two sentences because, "both of which are the reasons why I can get good grades," is ...
Pseudomonas aeruginosa invasion and cytotoxicity are independent events, both of which involve protein tyrosine kinase activity. Infect Immun.
... lower plasma tryptophan and an increased synthesis of detrimental tryptophan catabolites (TRYCATs), both of which contribute to the onset of depression.

Alternatives:

both of them
both of the things
both of the objects
both of the items
both of the animals

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both of whom vs both of which

"both of whom"

"both of which"

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