The word(s) "blood-relationship" appears 1 time(s) in 1 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) And they have invented a blood-relationship between Him and the Jinns: but the Jinns know (quite well) that they have indeed to appear (before his Judgment-Seat)!

(سورة الصافات, As-Saaffaat, Chapter #37, Verse #158)
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