Note 078
Gregor. Turon. l. viii. c. 9, in tom. ii. p. 316. Montesquieu observes (Esprit des Loix, l. xxviii. c. 13) that the Salic law did not admit these negative proofs so universally established in the barbaric codes. Yet this obscure concubine (Fredegundis), who became the wife of the grandson of Clovis must have followed the Salic law.
The History Of The Decline and Fall Of The Roman EmpireVolume 1Chapter 38