Johanna Pölzl née Hiedler, was the maternal grandmother of Adolf Hitler.
Background
Johanna was born and lived her entire life in the village of Spital (part of Weitra), in the Waldviertel of Lower Austria. On 5 September 1848, Johanna married Johann Baptist Pölzl (1825–1901), a farmer and the son of Johann Pölzl and Juliana (Walli) Pölzl.
Career
On 17 September 1888, Johanna"s elderly parents, Johann Nepomuk Hiedler (or Hüttler) and Eva Maria (née Decker), died. Klara and Alois had six children. The fourth of these was Adolf Hitler (born 20 April 1889).
Only one other of Klara"s children – the youngest, named Paula – survived into adulthood.