C.E. Bosworth, "ŠERVĀNŠAHS" in Encyclopaedia Iranica. Excerpt 1: "ŠERVĀNŠAHS (Šarvānšāhs), the various lines of rulers, originally Arab in ethnos but speedily Persianized within their culturally Persian environment" Excerpt 2:"). Just as an originally Arab family like the Rawwādids in Azerbaijan became Kurdicized from their Kurdish milieu, so the Šervānšāhs clearly became gradually Persianized, probably helped by intermarriage with the local families of eastern Transcaucasia; from the time of Manučehr b. Yazid (r. 418-25/1028-34), their names became almost entirely Persian rather than Arabic, with favored names from the heroic national Iranian past and with claims made to descent from such figures as Bahrām Gur "
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