YaQUB IBNI LAYS (s. tav. no-malum —vaf. 879), asosguzori Davlati Safforiyon. Ya. dar sh. Karnini vil. Sijiston (Siston) tavallud yoftaast. Ya. hamrohi barodaronash Amr, Tohir, Ali va amakash Kasir ibni Rakon ba guruhi goziyon, ki bar ziddi ajnabiyoni sijistoni muboriza meburdand, dokhil shud.
Badi on ki hokimiyat dar Sijiston az volii Tohiriyon ba sardori guruhi goziyon — Dirham guzasht, Ya. hokimi Busto shud. Khalifa Mutamad s. 874 Ya.-ro hokimi Khuroson, Tabariston, Burhon, Ray va Fors alon namud. Ya. ba Bagdod lashkar kashid, vale shikast khurd. Badi volii Khuroson va vil-hoi sharqi tain shudani Muhammad ibni Tohir dar ikhtiyori Ya. tanho jan. Eron mond.
Ad.: Negmatov N. N., Gosudarstvo Samanidov, S., 1977.
A. Valiev.