LOS ANGELES, California (CNN) -- A Los Angeles Superior Court judge on Monday approved an agreement granting Michael Jackson's mother, Katherine Jackson, permanent custody of his children.



Katherine Jackson has accused the executors of her son Michael's estate of "keeping her in the dark."



A hearing is scheduled for October to look at some remaining issues.



An agreement between Katherine Jackson, 79, and Debbie Rowe, mother of Jackson's two eldest children, cleared the way for an uncontested custody hearing.



Rowe, who was briefly married to Michael Jackson, agreed not to fight for custody in exchange for visits with the children.



Katherine Jackson was in the courtroom along with her daughters LaToya and Rebbie and a son, Randy.



Rowe did not attend Monday's hearing, but her attorney, Eric George, spoke briefly outside the courthouse.



"She's faced difficulties and pressures none of us know, and today's agreement shows that she responded with heart, integrity and selflessness," George said of Rowe. He also praised Katherine Jackson's attorneys for their part in bringing about the agreement.



Michael Jackson's two oldest children -- Michael Joseph Jackson Jr., 12, and Paris-Michael Katherine Jackson, 11 -- signed consents to the agreement.



He also has a 7-year-old son, Michael Joseph Jackson II, known as Blanket, with an unidentified surrogate.



The custody agreement does not involve any financial payments to Rowe "apart from the continuation of spousal support payments" that Michael Jackson personally agreed to make to Rowe after the divorce, their lawyers said in a joint statement.  Watch Rowe's attorney talk about the decision »



Jackson's children have been living with their paternal grandmother at her Encino, California, home since their father's death June 25.



Also at the hearing Monday, attorneys for Jackson's dermatologist, Dr. Arnold Klein, said he sought a role in the children's lives and wanted "in some way to be involved" in respect to their education and medical care, although he was not objecting to the custody agreement. But Superior Court Judge Mitchell Beckloff denied Klein's request to be a party to the hearing.



Details of how the children were conceived and who was the biological father have been closely guarded amid much public speculation.



In an interview last month on ABC's "Good Morning America," Klein did not rule out being the biological father of the children.



"Not to the best of my knowledge," he said when asked by Diane Sawyer whether he was the father. "All I can tell you is, best of my knowledge, I am not the father of these children. But I am telling you, if push comes to shove, I can't say anything."



Asked about Klein's attorneys saying he wants a role in the children's lives, George declined comment. Klein was not in the hearing Monday.



Rowe and Jackson divorced in 1999, with Rowe giving him full custody while she got an $8.5 million settlement, according to court documents. Jackson later agreed to additional support.



Rowe gave up parental rights to Jackson in 2001, but she changed her mind more than two years later and sought temporary custody of the children. A California appeals court ruled that her rights were improperly terminated, opening the door for a possible custody battle.



On Monday, Beckloff awarded Katherine Jackson all of the family allowance funds she requested but gave only 83.5 percent of what she requested in support of the children.



He said he disallowed money for one item, which he described as "quite a large amount" that he was not sure was necessary. The allowance order is sealed.



Beckloff set a hearing to revisit the allowance matter in January.



Also Monday, Beckloff ordered Katherine Jackson be given copies of her son's contracts in connection with a series of concerts that had been scheduled for this summer.



She sought the contracts between Michael Jackson and AEG, the company that was organizing and promoting the concerts, along with others involved in the tour. She has agreed to keep the contract provisions
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