
Qais (قيس), also spelled Qays or Kais, were an Arabian tribe branched from the Mudhar Adnani groups. ==Main branches of Qais== The main branches of the Qais tribes are the Banu Sulaym, Hawazin and the Banu Ghatafan. These three main groups remained in the Eastern Hejaz until the 7th century. They first fought the Ansari and Qurayshi Muslims, bu...
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http://en.wikipedia.org/wiki/Qais

Qais is a name for boys. The name Qais is most commonly given to French boys. (13 times more often than to American boys.)
Found on
https://www.pregnology.com/names/boys/Qais
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