Question:  Angela Franziska Johanna Hammitzsch, was the elder half-sister of Adolf Hitler, by her first husband, Leo Raubal, Sr., she was the mother of Geli Raubal, was Adolf Hitler's half-niece, and born in Linz, in which regional location?
Sentence (from "Angela Hitler"): By her first husband, Leo Raubal, Sr., she was the mother of Geli Raubal.
Relevant evidence: Yes