Angie's Hurricane Harvey Recovery

Hi! My sister, Angie, and her family (her husband Yann and 3 kids: Anna, Maddie and Luca) currently have 3 feet of water in their house in Houston and both of their cars.  They were evacuated on pool floats Monday morning to the BP parking garage.  I picked them up yesterday and they are now in Austin.  Waters continue to rise as they live in a neighborhood which backs up to the Buffalo Bayou and next to both the Addicks and Barker reservoirs that are letting water out.  They did not have flood insurance as their house has never flooded and will need funds to buy tools/supplies to start the rebuilding process.  Please help if you can!