The Vulliamy family originated in Switzerland, they were notable as clockmakers in 18th and 19th century Britain, and as architects in the 19th and 20th century.
Justin Vulliamy, born in Switzerland, moved to London to study in the 1730s and ended up settling there. He set up a business in partnership with Benjamin Gray, who was in 1742 appointed watchmaker in ordinary to King George II; he married Gray's daughter Mary and had four children with her, namely:
*Jane Vulliamy
*Benjamin Vulliamy, took over the business from his father, he married Sarah de Gingins and had fourteen children, namely:
**Benjamin Lewis Vulliamy, last in the family clockmaking firm, as none of his children went into it; he married Frances Moulton Stiles and had three children, namely:
***Benjamin Lewis, fundholder
***George John Vulliamy, architect and civil engineer, married Eliza Umfreville, had five children, namely:
****Llewellyn Douglas Vulliamy Chartered Accountant, married Elsie Gibb and had two children.
****Lewis Henry Vulliamy
***Lewis married secondly Catherine King and had four children:
****Ethel Catherine Sinclair Vulliamy, married James Henry Branscombe Petter
****Lewis Campbell Vulliamy, married Irene Sherlock Forbes Ross, had two children.
****Mona Florence Vulliamy, married Justin Drayton Vulliamy, had two children.
****Mabel Papendiek Vulliamy, married Edward Lynn West and had one child.
***Henry Paschal Vulliamy, architectural draughtsman, married Alice Mary Marston
***Edith Elizabeth Vulliamy, married Nicholas Esterhazy Stephen Armytage Hamilton, had two children.
***Edwyn Papendiek Vulliamy, married Edith Jane Beavan, had one child,
****Colwyn Edward Vulliamy, married Eileen Muriel Hynes, had two children
*****John Sebastian Papendiek Vulliamy, architect married Winifred Shirley Hughes, had three children
******Edward Sebastian Vulliamy, a journalist and writer.
*****Patricia Drift Vulliamy
***Colwyn Williams, an army officer, married Lilian Isabel Gosling and had five children:
****Lilian Isabel Dyddgu Mary Vulliamy
****Colwyn Henry Hughes Vulliamy, married Veronica Mary Ellis and had three children.
****Beatrice Joyce Papendiek Vulliamy
****Joan Isabel Vulliamy, married Francis James Lidderdale and had two children.
****Edmund Lewis Llewelyn Vulliamy, married Rosamond Daphne Farrell Palliser and had two children.
**Henry Vulliamy
**Francis Vulliamy
**Lucy Vulliamy
**Henry Vulliamy
**Frances Vulliamy
**Frederick Vulliamy, banker, gentleman, married Charlotte Feldwick Crake and had five children, namely:
***Alice Hall Vulliamy, married John Smith Owen and had one child.
***Arthur Frederick Vulliamy, solicitor, coroner for Ipswich, married Anna Marie Museur and had thirteen children, including
****Blanche Georgiana Vulliamy
***Herbert Edward Vulliamy
***Henry Vulliamy, land agent and surveyor, married firstly Frances Maria Cutler ; secondly married Ellen Maria Williams and had two children; thirdly married Emily Agnes Trigge and had two further children.
***Rose Charlotte Vulliamy
*Lewis Vulliamy, sugar refiner, married Lucy Frances Lucadou
