He didn't have children so we can't answer something that never happened.
how was hitler treated by this father
Adolf Hitler did not have any daughters. He had one known child, a daughter named Geli Raubal, who died in 1931. Hitler never married or had any other children.
No, Hitler never had any children.
Hitler ordered that any Jew-sympathizers would be treated the same way as the Jews and sent them off to Concentration Camps.
Hitler treated jews badly
Every father daughter relationship is different. Probably most fathers would want their daughters to know that they deserve to be treated well, and that they should treat others well. They would want them to know their self worth.
His mother did, Hitler's father was an abusive man towards his family.
"Guards" were really just soldiers. They were treated great as long as they worshiped Hitler.
He hated him because he knew how he was decieving Germany and how innocent people were being massacred because he ordered it. And how the Jews were treated by his Nazi soldiers, because he treated them like inferiors. And because of him Germany would be an enemy to America and England. And would be occupied later on after the war by foreigners.
Hitler learned that people will believe a big lie.
Hitler treated German Jews as badly as foreign ones. He was murderous.
Hitler seems to have had mental illness underlying his megalomania. If he had the correct medications and psychiatric help, he might have been treated for this. Whether that would have made him sane, or changed his agenda, is unknown.