Possible Clues:

• Search for Cockney over — abandoned?
• Not looked after
• Shunning area, relative wound up being neglected
• Like a weedy garden, perhaps
• Not properly cared for
• Aristocratic fiancée, not one that's neglected
• Like a weedy garden
• Posh one leaves fiancée unhusbanded
• Not looked, after this
• Neglected