There's a RAFM set of Hansel and Gretel with two children in Tyolean garb on one base (also a witch, and an oven).
I have a tyrolean gamekeeper figure, but it's one of those "Got it in a job lot" types, and I've no idea of the maker. It's not that good.
Are you planning on a "Catch the Von Trapps!" game. Long table, family held up by small children with short legs, Nuns against Nazis etc?
Make them sing a song from the musical if they want bonus movement.