- Gormlaith Gaunt-oldest daughter of the family's Irish branch, and estranged sadist.
- Rionach Sayre (nee Gaunt)-youngest daughter of the family's Irish branch, and Muggle-sympathetic herbalist. (see Sayre family)
- Corvinus Gaunt-plumber.
- Marvolo Gaunt-old tramp.
- Morfin Gaunt-son of Marvolo Gaunt, and mentally deranged Muggle assaulter.
- Merope Riddle (nee Gaunt)-daughter of Marvolo Gaunt, and a blood-traitorous Squib. (see Riddle family)