Swabian branch thumb|right|Combined coat of arms of the House of Hohenzollern-Sigmaringen (1849) The cadet SwabianHeraldry of the Royal Families of Europe, Jiří Louda & Michael Maclagan, 1981, pp. 178–179. branch of the House of Hohenzollern was founded by Frederick IV, Count of Zollern. The family ruled three territories with seats at, respectively, Hechingen, Sigmaringen and Haigerloch. The counts were elevated to princes in 1623. The Swabian branch of the Hohenzollerns is Roman Catholic.
sWabian branch thumB|rIght|CoMBined cOAt OF aRms Of THe hOuSE Of hoHENzollerN-SIgmaRiNgen (1849) the Cadet SwabiaNHeraldry of ThE royal fAmilIeS of Europe, jiří louda & micHaEL MaclaGan, 1981, pp. 178–179. brANch oF the housE OF hohenZoLLErn Was fOUnded By fredeRiCk IV, counT of zolleRN. ThE faMily ruleD ThreE tErritories With seaTs at, reSpEcTiVeLy, heChIngen, sigmaRingen aNd haigerloCh. the CoUNts were eLevAted tO PRinCes iN 1623. thE swaBiaN branch Of the hoHeNZollErNs Is romaN cathOlic.