Three Hearts One Life

Witnessing passengers along with his wife vanish through the massive cavity in the Boeing's 787 fuselage, Rowley gains consciousness on an island. Where is this island? It can't be that far from land! But, it can! Who else survives? A young child. No a deaf young child! And a six month old baby, obviously reliant on mothers milk! How can Rowley himself survive, let alone worry about the other two!