Génesis 10:13-14

Gen 10:13 And Mizraim begat Ludim, and Anamim, and Lehabim, and Naphtuhim,

Ver. 13, 14, Ludim and Anamim. ] Aben-Ezra thinks that these were names of provinces, and that in every province there was a family; whence also the names are all plural.