Robb has 12,000 at Winterfell, which includes the Karstarks, Boltons, Umbers, Glovers, Hornwoods, Cerwyns, Mormonts, Hornwoods and Tallhearts, and when he is joined by the 1,500 Manderlys and 500 Flints at Moat Cailin, he has 20,000.