Possible Clues:

• Having removed bottom and top, relatives appear so?
• In birthday suit a French boy catches cold
• What the bear sounds like to the boy at last
• 'Before Uncle has finished, Father comes barely back (6)'
• How Adam was originally discovered
• Before uncle has finished, Father comes barely back
• Before Uncle is finished, Father is back in the nude
• Relative cut down a drug, initially, having abandoned habit
• In the altogether
• Call nude 'silly' having no bottoms on, exposing everything?