"Of course it's a changeling!" the nurse maid replied. "But it's a might bit cuter than the Lordship's babe. That I'd swear 'pon my mother's grave and before the rack!" she inadvisably exclaimed just as the Master of House rounded the top stair.
Lord Alistair thought to himself: "The drudge is correct. The imposter is much more handsome and better mannered than my brat! Not that truthfulness willl save her from getting the boot. God let the wife not notice!"
And in this revere Alistair went to fetch the good doctor to increase Lady Sylvia's laudanum and then to locate the head butler to sack the uppity nurse maid.