Marvolo Gaunt — Marva Gaunt*

Morfin Gaunt — Morgaine Gaunt

Merope Gaunt — Mortimus Gaunt

Tom Riddle Junior/Lord Voldemort — Pam Riddle Junior/Lady Valdis

*Marva is a real name- Mortimus I did make up, but it's the only name in 'Life, Death and Magic' that I did.