SIMPLICIUS GALLUS. Sulpicius Gallus was a Roman who left his wife beause she looked out the door bareheaded. Valerius Maximus tells the story in Factorum dictorumque memorabilius liber VI.3.10, written in the first century A.D. R.A. Pratt suggests that it more likely, however, that Chaucer knew the version in John of Wales's Communiloquium sive summa collationum (second half of the thirteenth century).

Alys of Bath tells the story as she heard it from Jankyn, WBP 642-646. [Valerie]

The whole name occurs medially, WBP 643.

Simplicius appears to be the ME variant of Sulpicius. Manly-Rickert does not record any variants.