The star is seeking a conservatorship over her son's finances, claiming he is "gravely disabled" following arrests in New Hampshire Elijah Blue Allman , Cher ’s son with the late Allman Brothers singer-songwriter Gregg Allman , is pushing back on his mom’s claims he’s “gravely disabled” and can’t be trusted with money amid alleged substance abuse and mental health issues. The 49-year-old guitarist for the rock band Deadsy plans to oppose Cher’s renewed bid for a conservatorship over his finances, his lawyers tell Rolling Stone . Cher filed her revived petition for conservatorship over Allman’s finances last week, with a judge set to consider the matter at a Friday morning hearing. “Elijah is disappointed, but not surprised, by this latest attempt to gain control over his finances,” his lawyer Avi Levy says. “We have spoken with Elijah several times this week, and he remains in good spirits despite the circumstances.…