Book of Jasher 62:15
And the children of Midian sent to all their brethren the children of the east, and all their brethren, all the children of Keturah came to assist Midian to fight with Moab.
And the children of Midian sent to all their brethren the children of the east, and all their brethren, all the children of Keturah came to assist Midian to fight with Moab.