Klara Hitler was Alois' third wife. Alois was twenty-three years older than Klara and already had two children from his previous marriages. Klara and Alois had five children but only Adolf and a younger sister, Paula, survived to become adults.
In early childhood Adolf was often ill and his mother became over-protective, wanting nothing less than to lose another child. Edward Bloch, her Jewish doctor, remarked: "Outwardly, his love for his mother was his most striking feature... I have never seen a closer attachment between mother and son." Hitler was deeply fond of his mother. He said that one of his happiest memories was of sleeping alone with her in the big bed when his father was away.
Alois Hitler, who was fifty-one when Adolf was born, was extremely keen for his son to do well in life. Alois did have another son by an earlier marriage but he had been a big disappointment to him and eventually ended up in prison for theft. Alois was a strict father and savagely beat his son if he did not do as he was told. Hitler later wrote: "After reading one day in Karl May (a popular writer of boys' books) that the brave man gives no sign of being in pain, I made up my mind not to let out any sound next time I was beaten. And when the moment came - I counted every blow." Afterwards he proudly told his mother: "Father hit me thirty-two times.... and I did not cry". Hitler later told Christa Schroeder about his relationship with his parents: "I never loved my father, but feared him. He was prone to rages and would resort to violence. My poor mother would then always be afraid for me."
Hitler also found it very distressing to see his mother suffering from