Did Adolf Hitler have a family?

Of course Hitler had a family (we all do). But here is his close family:

Alois Hitler: Father. Young Adolf did not have a close relationship with him at all.

Klara Hitler: Mother. Adolf (let's just keep calling him Adolf because I like referring to him as Adolf when discussing his family) had a close relationship with his mother and it is rumoured (not 100% true) that he died holding a picture of his mother to his heart. It is also stated that he may of always had a photo of her on his person.

He only had one sibling (a sister) who survived childhood.