Quick googling seems to make FE1.1S a good choice for a controller.
http://referencedesigner.com/blog/designing-low-cost-4-port-usb-hub/2962/
#PiAngle Zero - Not just another Pi Zero USB Hub
#(One More) Raspberry Pi Zero USB Hub
#RASPICON: Retro Gaming and Media Center Platform
WiFi done with RTL8188 module
I see you are searching for reference designs - FE1.1s + USB wifi module combo is used in my #raspberry pi zero handheld computer