אלכסנדר's father was נתן דסברג and his mother was אלישבע פרינס. His paternal grandparents were שמואל דסברג and דינה דה פריס. He had four brothers and two sisters, named שמואל, אורי, ברוך, יוחנן, דינה and מרים. He had two adopted brothers and two adopted sisters, named דב, פנחס, שאולה and חיה. He died at the age of 72 on November 11th, 2007.