He is the older son of princess Dr.Malekah AlJarba . brother for princess Sahab and prince Saltan
His wife is Nora bint Saad Alsaud , I think they have baby boy.
https://m.facebook.com/Hashemite.Family/photos/a.581772915218414.1073741834.333706966691678/869226746473028/?type=1&source=48
New pic of Prince Hamzah and Basmah wedding