Spared Jews:

• Ernst Hess, his unit commander in WWI, protected until 1942 then sent to a labor (not extermination) camp
• Eduard Bloch, his and his mother's doctor, allowed to emigrate out of Austria with more money than normally allowed
• I've heard things about fellow artists (a commenter on Caplan's post mentions an art gallery owner) but I don't have a source.
• There are claims about his cook, Marlene(?) Kunde, but he seems to have fired her when Himmler complained. Anyone has Musmanno's book or some other non-Stormfronty source?

Whether Hitler batted for both teams is hotly debated. There are suspected relationships (August Kubizek, Emil Maurice) but any evidence could as well have been faked to smear him.

Hitler clearly knew that Ernst Röhm and Edmund Heines were gay and didn't care until it was Long Knives time. I'm less sure he knew about Karl Ernst's sexuality.