It is clear that most of the Biographies agree that Qais bin Almaluuh is in fact a cousin Leila, they were brought up together and used to graze their family's cattle together at a young age. This can be known from these two lines: تعلَقت ليلى وهي ذات تمائم ولم يبد للأتراب من ثديها حجم صغيرين نرعى البهم يا ليت أننا إلى اليوم لم نكبر، ولم تكبر البهم