 His wife was the daughter of Emil Drange, who made career in the administration of the Eastern Prussian city of Elbing.Willi Jentzsch and Gertrud Drange were the parents of Herlind Jentzsch, who married Horst Kasner and gave birth to Angela Kasner who married Ulrich Merkel and thus are the maternal grandparents of German Chancellor Angela Merkel.After the death of Willi Jentzsch in 1936, his family relocated to Hamburg.