Possible Clues:

• Note: see about part of speech I'm withdrawing
• Note that one is half-brother to the First Lady
• Note house on British river tempted woman
• Note that this one is little half-brother of the First Lady
• Part of speech I am withdrawing - look around for the note
• Note that that one is half-brother to the First Lady
• Note covering beat group in typical bar?
• Note that this was half-brother to Adam's wife
• Two minims
• Musical note equivalent to two minims