The eponymous founder was kefalijaPaskač, and the family base was in Slavište (modern North Macedonia) and they held the modern border region between Serbia and the latter. Paskač had a son, Vlatko Paskačić, (hence, the family is also known as Vlatković (Serbian Cyrillic: Влатковић, pl. Vlatkovići / Влатковићи)) who received the title of sevastokrator in 1365, when Vukašin Mrnjavčević was declared co-ruler as King of Serbs and Greeks.
Grupa autora, „Rodoslovne tablice i grbovi srpskih dinastija i vlastele (prema tablicama Alekse Ivića)“ (drugo znatno dopunjeno i prošireno izdanje), Beograd, 1991. ISBN86-7685-007-0