Christa Ehrmann-Hämmerle
Christa Ehrmann-Hämmerle ( born Schaffhausen , October 31 , 1957 as Christa Hämmerle ) is a Swiss-born Austrian historian . 
<triplet> Christa Ehrmann-Hämmerle <subj> Schaffhausen <obj> place of birth <subj> October 31, 1957 <obj> date of birth