the todd family died sometime between march 28 and april 6 .
rodney todd , 36 , lived in the princess anne , maryland home with his seven children , aged six to 15 .
the six-hour funeral brought 1,200 people together to pay their respects .
todd and his children were poisoned in their sleep after a power company discovered a stolen meter and cut off electricity to their rental home .
todd had bought a generator and put it in his kitchen to keep his two sons and five daughters warm .