YourRoots by Genomelink
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

William 4th Duke of Devonshire Cavendish 1720–1764 – Genealogical Records

Birth Date: 8 May 1720

Birth Location: Hardwicke, Stroud District, Gloucestershire, England

Death Date: 2 Oct 1764

Death Location: Spa, Arrondissement de Verviers, Liège, Belgium

Father: William Ireland

Mother: Catherine Hoskins

Spouse(s): Charlotte Boyle

Children(s): George Cavendish, Dorothy Cavendish, William Cavendish, Lord MP

William 4th Duke of Devonshire Cavendish was born in 1720 in Hardwicke, Stroud District, Gloucestershire, England, the child of William Cavendish 3Rd Duke Of Devonshire Lieutenant Of Ireland And Catherine Hoskins. William 4th Duke of Devonshire Cavendish married Charlotte Elizabeth Boyle, and had children including Dorothy Cavendish, George Augustus Henry Cavendish, Lord Richard Cavendish Mp, William Cavendish. William 4th Duke of Devonshire Cavendish passed away in 1764 in Spa, Arrondissement de Verviers, Liège, Belgium.

Find more search results for William Cavendish
WC

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
B
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • William 4th Duke of Devonshire Cavendish was born in 1720 in Hardwicke, Stroud District, Gloucestershire, England, the child of William Cavendish 3Rd Duke Of Devonshire Lieutenant Of Ireland And Catherine Hoskins.
  • William 4th Duke of Devonshire Cavendish married Charlotte Elizabeth Boyle, and had children including Dorothy Cavendish, George Augustus Henry Cavendish, Lord Richard Cavendish Mp, William Cavendish.
  • William 4th Duke of Devonshire Cavendish passed away in 1764 in Spa, Arrondissement de Verviers, Liège, Belgium.

Immediate Family

Parents

Spouses(s)

Children(s)

William Cavendish's Ancestors

Self
William Cavendish
1720–1764
Birth Place: Hardwicke, Stroud District, Gloucestershire, England
Parents
William Cavendish 3rd Duke of Devonshire, Lieutenant of Ireland
1698–1755
Hardwick Hall (Derbyshire) England
Catherine Hoskins
1700–1777
Oxted, Surrey, England
Grandparents
William (Cavendish* Sir, 2nd Duke of) Devonshire
1672–1729
Hardwick Hall (Derbyshire) England
Lady (Rachel Russell Duchess of) Devonshire
1674–1725
St Giles-In-The-Fields, Westminster, Middlesex, England
Great-Grandparents
William Cavendish
1640–1707
Lady Devonshire
1646–1710
2nd-Great-Grandparents
James t
1610–1688
Elizabeth Dingwall
1615–1684

William Cavendish's Descendants

1.
WC
William (4th Duke of Devonshire) Cavendish (8 May 1720–2 Oct 1764) m. Charlotte (Elizabeth) Boyle (27 October 1731–8 December 1754)
  1. 1. George (Augustus Henry) Cavendish 1754–1834
  2. 2. Dorothy Cavendish 1750–1794 m. William (Henry Cavendish-Bentinck, 3rd Duke of Portland, Prime) Minister 1738–1809
    1. 1. William (Charles Augustus Cavendish Bentinck Lieut) Col 1780–1826 m. Anne Wellesley 1788–1875 m. Georgiana (Augusta Frederica) Seymour 1783–1813
      1. 1. Rev. (Charles William Frederick Cavendish) Bentinck 1817–1865 m. Caroline (Louisa) Burnaby 1832–1918
        1. 1. Cecilia (Nina) Cavendish-Bentinck 1862–1938 m. Claude (George Bowes-Lyon) Earl 1855–1944
        2. 2. Anna (Violet) Cavendish-Bentinck 1864–1932
        3. 3. Hyacinth (Sinetta) Cavendish-Bentinck 1864–1916
      2. 2. Anne (Hyacinthe) Cavendish-Bentinck 1816–1888
      3. 3. Arthur (Cavendish-Bentinck) Lt-Col 1819–1877
      4. 4. Emily Cavendish-Bentinck 1820–1850
      5. 5. Georgiana (Augusta Frederica Cavendish) Bentinck 1811–1883
    2. 2. William (Henry Cavendish) Bentinck 1768–1854
    3. 3. William (Frederick Cavendish) Bentinck 1781–1828
    4. 4. Charlotte (Cavendish) Bentinck 1775–1862
    5. 5. Mary (CAVENDISH) BENTINCK 1778–1843
  3. 3. William Cavendish 1748–1811
  4. 4. Lord (Richard Cavendish) MP 1751–1781

William Cavendish's Timeline

2 Records

1720
8 May 1720
Birth of William 4th Duke of Devonshire Cavendish in Hardwicke, Stroud District, Gloucestershire, England
Hardwicke, Stroud District, Gloucestershire, England
1764
2 Oct 1764
Age 44
Death of William 4th Duke of Devonshire Cavendish in Spa, Arrondissement de Verviers, Liège, Belgium
Spa, Arrondissement de Verviers, Liège, Belgium

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 8 May 1720
    Event Place: Hardwicke, Stroud District, Gloucestershire, England

    Genealogy Event 2
    Event Type: Death
    Event Date: 2 Oct 1764
    Event Place: Spa, Arrondissement de Verviers, Liège, Belgium

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE