Cher 's troubled son Elijah Blue Allman will be checking into a residential treatment facility -- following his recent arrests -- as he fights his legendary mom over a proposed conservatorship, TMZ has learned. According to court docs, obtained by TMZ, Elijah hired a new legal team that's fighting his estranged wife Marieangela King 's efforts to seize part of his inheritance from his late father, Gregg Allman . Marieangela believes she deserves temporary support amid their divorce. In the