"After much soul-searching, it is clearly time for us to live by Michael's words about love not war," wrote Jermaine, in a statement.
Jermaine also withdrew his support for a leaked letter which calls on executors of the estate to resign.
On Thursday his mother, Katherine, was reinstated as guardian of Michael's children along with his cousin, TJ.
Days earlier, TJ became a temporary guardian for the three children amid reports Katherine, 82, was