▁Ful ho yo ▁S ury o yo , ▁M FS ) ▁and ▁the ▁al - San ad id ▁Forces ▁of ▁the ▁Arab ▁Sh am mar ▁tribe , ▁both ▁of ▁whom ▁had ▁co oper ated ▁with ▁the ▁Y PG ▁in ▁fighting ▁I SI L ▁since ▁ 2 0 1 3 . ▁The ▁M FS ▁is ▁further ▁polit ically ▁aligned ▁with ▁the ▁Y PG ▁via ▁their ▁shared ▁sec ular ▁ide ology ▁of ▁dem ocr atic ▁conf eder al ism , ▁which ▁in ▁the ▁Ass y rian ▁community ▁is ▁known ▁as ▁the ▁Daw ron o ye ▁movement . ▁ ▁Ge ograph ically ▁focused ▁on ▁the ▁Man bij ▁Region ▁was ▁the ▁Army ▁of ▁Revolution aries ▁( J ay sh ▁al - Th u war , ▁J AT ), ▁itself ▁an ▁al liance ▁of ▁several ▁groups ▁of ▁diverse ▁eth nic ▁and ▁political ▁background s , ▁who ▁had ▁in ▁common ▁that ▁they ▁had ▁been ▁rejected ▁by ▁the ▁main stream ▁Sy rian ▁opposition ▁for ▁sec ular , ▁anti - I sl am ist ▁views ▁and ▁affili ations . ▁However , ▁most ▁of ▁the ▁J AT ▁component ▁groups ▁have ▁always ▁used ▁the ▁Free ▁Sy rian ▁Army ▁label ▁and ▁continue ▁to ▁use ▁it . ▁ ▁Sign atory ▁groups ▁ ▁The ▁following ▁groups ▁signed ▁the ▁found ing ▁document : ▁▁ ▁People ' s ▁Prote ction ▁Units ▁( Y ek î ney ên ▁Par ast ina ▁Gel , ▁Y PG ) ▁ ▁Women ' s ▁Prote ction ▁Units ▁( Y ek î ney ên ▁Par ast ina ▁Jin , ▁Y P J ) ▁