Duchess of Newcastle
- Duke of Newcastle
- Francis Pelham-Clinton-Hope, 8th Duke of Newcastle
- Harriet Pelham-Holles, Duchess of Newcastle-upon-Tyne
- Henry Cavendish, 2nd Duke of Newcastle
- Henry Pelham-Clinton, 2nd Duke of Newcastle
- Henry Pelham-Clinton, 4th Duke of Newcastle
- Henry Pelham-Clinton, 6th Duke of Newcastle
- Henry Pelham-Clinton, 7th Duke of Newcastle
- Henry Pelham-Clinton-Hope, 9th Duke of Newcastle
- John Holles, 1st Duke of Newcastle
- John Holles, 1st Duke of Newcastle-upon-Tyne
- Kathleen Pelham-Clinton, Duchess of Newcastle
- Margaret Cavendish, Duchess of Newcastle-upon-Tyne
- Margaret Holles, Duchess of Newcastle-upon-Tyne
- Thomas Pelham-Clinton, 3rd Duke of Newcastle
- Thomas Pelham-Holles, 1st Duke of Newcastle
- Thomas Pelham-Holles, 1st Duke of Newcastle-upon-Tyne
- William Cavendish, 1st Duke of Newcastle
- William Cavendish, 1st Duke of Newcastle-upon-Tyne