A child born with a veil over its face will never be drowned. Many sailors are known to wear the caul, with which they were born, about the person as a charm against death by drowning.
Sailor’s superstition.

A child born with a veil over its face will never be drowned. Many sailors are known to wear the caul, with which they were born, about the person as a charm against death by drowning.
Source: Current Superstitions (1896), entry 16.
Fanny D. Bergen, editor.