Gamayyar Jihohin Shan rukuni ne na Jihohin Shan da suka ci Masarautar Ava a 1527 suka yi mulkin Upper Burma har zuwa 1555. Ƙungiyar ta ƙunshi Mohnyin, Mogaung, Bhamo, Momeik, da Kale.Sawlon, shugaban Mohnyin ne ya jagorance ta.Ƙungiyar Tarayyar Turai ta kai hari a Babban Burma a farkon karni na 16 (1502-1527) kuma ta yi yaƙi da Ava da ƙawayenta Shan State of Thibaw (Hsipaw).A ƙarshe Confederation ta ci Ava a 1527, kuma ta sanya babban ɗan Sawlon Thohanbwa a kan kursiyin Ava.Thibaw da 'yan rajin sa Nyaungshwe da Mobye su ma sun zo cikin kungiyar.Ƙungiya mai girma ta ba da ikonta zuwa Prome (Pyay) a cikin 1533 ta hanyar cin nasara a zamanin mulkin Prome Kingdom saboda Sawlon yana jin cewa Prome bai ba da isasshen taimako ba a yakin su da Ava.Bayan yakin Prome, ministocinsa sun kashe Sawlon, wanda ya haifar da rashin jagoranci.Ko da yake ɗan Sawlon Thohanbwa a zahiri ya yi ƙoƙari ya ɗauki jagorancin ƙungiyar, ba a taɓa yarda da shi a matsayin na farko a cikin daidai da sauran saophas ba.Ƙungiya marar daidaituwa da aka yi watsi da shi don shiga tsakani a cikin shekaru hudu na farko na Toungoo-Hanthawaddy War (1535-1541) a Lower Burma.Ba su yi godiya da girman yanayin ba har sai 1539 lokacin da Toungoo ya ci Hanthawaddy, kuma ya juya baya ga alkawuran vassal.Saophas a ƙarshe sun haɗu tare kuma suka aika da wani ƙarfi don taimakawa Prome a 1539. Duk da haka, haɗin gwiwar ba su yi nasara ba wajen gudanar da Prome a kan wani harin Toungoo a 1542.A cikin 1543, ministocin Burma sun kashe Thohanbwa kuma suka sanya Hkonmaing, saopha na Thibaw, a kan kursiyin Ava.Shugabannin Mohnyin, karkashin jagorancin Sithu Kyawhtin, sun ji cewa sarautar Ava tasu ce.Amma dangane da barazanar Toungoo, shugabannin Mohnyin sun amince da shugabancin Hkonmaing cikin ɓacin rai.A shekara ta 1543 kungiyar Confederation ta kaddamar da wani babban hari a Lower Burma amma an kori sojojinta.A shekara ta 1544, sojojin Toungoo sun mamaye har zuwa Pagan.Kungiyar ba za ta sake yunkurin wani mamayewa ba.Bayan Hkonmaing ya mutu a shekara ta 1546, dansa Mobye Narapati, saopha na Mobye, ya zama sarkin Ava.Rikicin kungiyar ya koma gaba daya.Sithu Kyawhtin ya kafa 'yan adawa a Sagaing a hayin kogin daga Ava kuma a karshe ya kori Mobye Narapati a shekara ta 1552. Ƙungiyoyin da aka raunana ba su yi daidai da sojojin Toungoo na Bayinnaung ba.Bayinnaung ya kama Ava a shekara ta 1555 kuma ya ci dukan jihohin Shan a jerin kamfen na soji daga 1556 zuwa 1557.