The phrase "a designer whose father" is correct and usable in written English.
You can use it when referring to a designer and providing additional information about their father, typically in a descriptive context.
Example: "She is a designer whose father was a renowned architect, influencing her creative style."
Alternatives: "a designer with a father" or "a designer whose dad".
It was beautifully tailored and carried the label of Andrea Campagna, a designer whose father, Gianni, was famous for having dressed Gianni Agnelli, the Fiat chief.
At the opening of the museum last week, Queen Sofía of Spain, greeted by a choir of singers and folkloric Basque music, gave the royal seal of approval to a designer whose father was a fisherman and his mother a seamstress.
(Lots of Kameon's clients, including Welling and Weinstock, have midcentury houses, a fact that pleases the designer, whose father, Herbert, was an architect who worked for Richard Neutra and A. Quincy Jones before setting up his own office).
Richard Garriott, a successful computer game designer whose father, Owen Garriott, flew two missions for NASA, will carry science experiments to space and document his journey on the Web — and all for $30 million.
A designer whose clothes actually mean something.
Stefanie Posavec is a designer whose favoured material is data.
Buying something from a designer whose name you couldn't pronounce was cool.
The British designer Mary Katrantzou is an example of a designer whose computer skills have created a new genre of fashion prints.
Ann Sacks has developed a line with Martyn Lawrence Bullard, a designer whose clients include Elton John and Tommy Hilfiger.
Instead, the pioneering designer Boris Aronson, whose father was grand rabbi of Kiev, channelled Chagall's pastels on stage (the film created a dark sepia patina by stretching brown hosiery over the camera lens, reinforcing the sense of a sombre past).
It is by Sylvia Nicolas, an artist whose father, Joep Nicolas, was a renowned stained-glass designer in the Netherlands and New York.
