Possible Clues:

• Relative in north-east: that's a relief
• Relative climbing fence, fell
• Huey, to Donald
• Relative number initially cut, that's a weight off my shoulders!
• Certain nibling
• Quietly, he occupies young relative
• Sister's boy
• Expression of relief after one leaves old relative
• Quietly, the man occupies young relative
• Family reunion attendee