Viscounts Allendale (1911)
- Wentworth Canning Beaumont, 1st Viscount Allendale (1860–1923)
- Wentworth Henry Canning Beaumont, 2nd Viscount Allendale (1890–1956)
- Wentworth Hubert Charles Beaumont, 3rd Viscount Allendale (1922–2002)
- Wentworth Peter Ismay Beaumont, 4th Viscount Allendale (b. 1948)
The heir apparent is the present holder's son the Hon. Wentworth Ambrose Ismay Beaumont (b. 1979)
Read more about this topic: Viscount Allendale