Analysis of information sources in references of the Wikipedia article "روادیان" in Persian language version.
The Rawwadids (the form "Rawad" later becomes common in the sources) were originally of Azdi Arab stock, but gradually became assimilated to their environment in Adharbaydjan (and especially, the area around Tabriz) and became Kurdicised...
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: نگهداری یادکرد:تاریخ و سال (link)