Of that night were our fathers certified afore, that assuredly knowing unto what oaths they had given credence, they might afterwards be of good cheer.
WEB
Our fathers were made aware of that night beforehand, that, having sure knowledge, they might be cheered by the oaths which they had trusted.
DRC
For that night was known before by our fathers, that assuredly knowing what oaths they had trusted to, they might be of better courage.
LXXE
Of that night were our fathers certified afore, that assuredly knowing unto what oaths they had given credence, they might afterwards be of good cheer.