Question: What is the date of birth of Elisabeth Raiser's father?
Sentence (from "Carl Friedrich von Weizsäcker"): A member of the prominent Weizsäcker family, he was son of the diplomat Ernst von Weizsäcker, elder brother of the former German President Richard von Weizsäcker, father of the physicist and environmental researcher Ernst Ulrich von Weizsäcker and father-in-law of the former General Secretary of the World Council of Churches, Konrad Raiser.
Relevant evidence: No