Possible Clues:

• Diseased feeble weakling with head slightly down
• Like old, damp showers
• Like the walls in a damp basement, maybe
• Gentle sheep died, being diseased
• Gentle wool producer died, affected by fungal disease
• Being gentle, 'e got married (despite the grey hairs)
• being so gentle and mouldy, 'e got married
• Coated with white fungus due to damp