According to a source, Katherine is so upset with her children's recent behaviour she will not see them, even if it is at another location other than the Calabasas property they are banned from visiting.
Heartbroken: Katherine Jackson is said to be so upset with her children Janet, Rebbie and Randy Jackson she does not want to see them
'The executors were asked to send a letter to Katherine's children after the trio, plus Jermaine, descended onto the house while Katherine was in Tucson, Arizona unaware that her grandchildren had been trying to reach her, and an altercation ensued.
'Katherine is free to see Janet, Rebbie, or Randy, just not at that house.
'However Katherine has absolutely no desire to see them right now because she is just heartbroken that they betrayed her trust and didn't tell her that Michael's children had been trying to contact her,' added the source.
Confusion: Katherine - joined by Janet, Jermaine and Rebbie, Rebbie's daughter, made a statement last month after her sudden departure from her home to Tucson, Arizona
'(She will) never publicly say anything negative about her children, it's just not who she is. However, she is just absolutely disappointed that Janet, Randy, Rebbie, and Jermaine would keep her in the dark like that.
'Jermaine has apologized, but Katherine can't forget it,' the sourced added.
Fallout: The family has had a fall-our over the late Michael Jackson's estate
The statement, released through Janet Jackson's attorney, Blair G Brown, also accused executors John Branca and John McClain of isolating matriarch Katherine 'from anyone questioning the validity of Michael's will.'
At the start of this month a judge named TJ Jackson, a cousin to Michael Jackson's three minor children, as co-guardian with Katherine, who was named their sole caretaker in the disputed will. Janet, Randy and Rebbie Jackson in the statement accused Branca and McClain of a 'relentless' negative media campaign and said that they were barred from visiting their 82-year-old mother or Jackson's children, Prince, 15, Paris, 14, and Blanket, 10.
'The effect of that notice not only is to damage fundamental family relationships, it is also to isolate Katherine Jackson from anyone questioning the validity of Michael's will,' the statement read. 'Since the loss of Michael, Janet, Randy, and Rebbie‘s principal concern has been and continues to be for the safety and well-being of Michael‘s children, their mother Katherine Jackson, and the entire family.
'Unfortunately, those people have been harmed by the actions of the executors of Michael‘s estate, the estate’s lawyer, and those installed and paid to do their bidding,' it continued.
Caught in the middle: (L-R) Blanket, 10, Paris, 14, and Prince Jackson, 15, pictured in January, accused their aunt Janet from barring them from contacting their grandmother Katherine, far right
Representatives for the executors of the will did not immediately respond to calls and emails requesting comment.
However, representatives for executors Branca and McClain released a statement some weeks ago saying: 'Any doubts about the validity of Michael's will and his selection of Executors were thoroughly and completely debunked two years ago when a challenge was rejected by the Los Angeles County Superior Court, the California Court of Appeals and, finally, the California Supreme Court.'
Janet, Randy and Rebbie Jackson said that they will continue to contest Michael's will, and added, 'they stand nothing to gain financially by a finding that the will is invalid.'
In happier times: Paris and Prince perform onstage with Michael's brother Marlon last year
The Jackson siblings' statement came days after their mother Katherine was stripped of her guardianship after she was reported missing by a family member following a sudden absence from the Calabasas home she shares with her late son's children.
Mrs Jackson was determined to be staying at an Arizona resort while Prince and Paris made claims on Twitter they were barred from contacting their grandmother - leading to a driveway dispute between the siblings and their older relatives.
Reinstated: Katherine regained guardianship of Michael's children earlier this month
However, in a court deposition released within days of that interview, she revealed she was unaware the children were trying to reach her, and that her mobile devices were taken during her time away, preventing her from contacting them.