Retz

[rets; French rets] /rɛts; French rɛts/
noun
1.
Gilles de Laval
[zheel duh la-val] /ʒil də laˈval/ (Show IPA),
Baron de, 1404?–40, French marshal: executed for child murder.
2.
Jean François Paul de Gondi
[zhahn frahn-swa pawl duh gawn-dee] /ʒɑ̃ frɑ̃ˈswa pɔl də gɔ̃ˈdi/ (Show IPA),
Cardinal de, 1614–79, French politician and clergyman.
British Dictionary definitions for Retz

Rais

/French res/
noun
1.
Gilles de (ʒil də). 1404–40, French nobleman who fought with Joan of Arc: marshal of France (1429–40). He was executed for the torture and murder of more than 140 children

Retz

/French rets/
noun
1.
Gilles de Retz, See Rais