Matthew 26:34,74,75
Jesus said to him, Truly I say to you, That this night, before the cock crow, you shall deny me thrice.
Nave's Topical Index—AKJV

Mark 13:35
Watch you therefore: for you know not when the master of the house comes, at even, or at midnight, or at the cock-crowing, or in the morning:
Nave's Topical Index—AKJV

Mark 14:30,68,72
And Jesus said to him, Truly I say to you, That this day, even in this night, before the cock crow twice, you shall deny me thrice.
Nave's Topical Index—AKJV