However, Jesse’s son David was not a firstborn. He was the last of eight sons. Yet the line of the Messiah was through David.
لٰكِنَّ ٱلسُّلَالَةَ تَذْكُرُ أَيْضًا دَاوُدَ بْنَ يَسَّى مَعَ أَنَّهُ كَانَ ٱلْأَصْغَرَ بَيْنَ ٨ أَبْنَاءٍ .‏