
1) Tribe of Arabia 2) Tribe of Syria
Found on
https://www.crosswordclues.com/clue/ruwallah

The Ruwallah (الرولة, singular Ruweili/Ruwaili) are a large Arab tribe of northern Arabia and the Syrian Desert, including modern-day Jordan. Until the demarcation of borders in the Middle East in the early 20th century, the Ruwallah were an almost entirely a warrior tribe centered in the region of al-Jauf and Wadi al-Sirhan in northern Arab...
Found on
http://en.wikipedia.org/wiki/Ruwallah
No exact match found.