MANZINI - Siyabonga and Melusi Ndimande will be back in the Manzini magistrate's court in eSwatini on 9 April.
They appeared in court briefly before their matter was postponed.
It's alleged the pair were hiding out in the neighbouring country for at least six months.
The brothers are wanted for the murder of AKA and his friend, Tebello Motsoane.
Justice Minister Ronald Lamola says South African authorities will give its highest level of cooperation to the Crown.