When my kids were very young we had a GSD. He was wonderful. My son, when he was about 2 fell off the dining room table which he was climbing around on. He landed smack dab right on top of our sleeping GSD. That dog lifted his head, grunted (as it knocked the wind out of him) and walked across to the other side of the room and lay back down. I caught my son squeezing his nose and turning it like a door knob. I was a little ways off. Ajax, the GSD let out a little wimper and turned and walked away. Those were the two main things I can remember where I wasn't close enough to prevent. That dog loved kids, including the day care kids I had at the time and would lie by them, licking them and followed them around the yard when it was playtime. He was completely trustworthy around everyone...wonderful dog. He'd sooner take on some pain or something worrisome or uncomfortable than hurt anyone.
I never thought a thing about supervising dogs and kids way back then. It never crossed my mind. lol. These GSDs are definitely into taking care of their charges. Of course, they have to be good ones and raised with kids.
My father had always had GSDs and when my sister was a baby, they'd go to the beach and they'd leave her napping in a playpen, with him next to it, up in the shade a little ways off from where they were. When she'd awaken, he'd let them know and they'd come and get her. He was very watchful of the baby.
Then when my kids were a little older, we got a Lab, the one I just recently had to pts. She was the same way...not one thing perturbed her. If anyone would do anything by mistake, that is unadvisable to do around dogs, it didn't matter. She was a saint. But of course, I taught my kids how to be around dogs and they were very sweet and good to our dogs. It's those little toddle babies that ya have to watch out for because they do things by accident sometimes.