suku totoTotos uphold their identity and ethnicity by marrying within their tribe, practising four types of marriages: escape (Chor-behoea), love (Lamalami), capture (Sambehoea), and negotiationSuku Koto, salah satu dari 4 suku awal di Minangkabau yang terbentuk pada masa Datuk Ketumanggungan dan Datuk Perpatih Nan Sebatang.