Speaking outside the crime scene Thursday evening, Lee's uncle, John Curry told local media the family was in a state of shock. We knew something was up, we just couldn't put it together.
The grim find was made when cops broke down a barricaded door at 3.45pm after discovering the house had been recently used by Joanne.
She was the focus of a Garda missing persons appeal after she was reported missing by her husband on Tuesday.
"All I can say is why, why, why take a attractive girl, so young, so pretty, away from us all?"
The scene was sealed off for a technical examination and the body remained there until after the State Pathologist arrived.
'I'm so upset, just can't speak, ' he said.
Her estranged husband Keith Lee (42) has not been arrested as he is being treated for multiple injuries at St James's Hospital after he jumped from a third-floor window on Thursday afternoon when gardai raided the flat where Ms Lee was found.
"Then we got a phonecall this afternoon". They also suspect the killer was planning to transport her body before detectives found her in the wardrobe.
He added, "all I can say is why, why, why, why?" This is a attractive girl, so young and so pretty, away from us all. We had a feeling something was up. Her body was found wrapped in a sleeping bag by gardaí who forced entry into a house on Ranelagh Road. "We were searching... everyone".
Independent Dublin city councillor Ruairi McGinley said following the discovery that: "It's your worst nightmare".
Anyone with any information is asked to contact Donnybrook Garda Station on 01-6669200, the Garda Confidential Line on 1800 666 111 or any garda station.