Answer : It was also kind of unclear to me too but i hope this helps you out a little !! :)
Edgar nurses Catherine for the next two months. During this time, it is revealed that Catherine is pregnant. Edgar longs for a male heir, to prevent Heathcliff and Isabella from inheriting the Grange.
Six weeks after she runs away, Isabella sends a letter to Edgar, announcing her marriage and begging forgiveness. He does not reply. After that, a distraught Isabella sends a letter to Nelly, questioning the humanity of Heathcliff. She tells Nelly that they are living at Wuthering Heights and begs for a visit
He tried to quit the death eaters and was killed. Supposedly by Voldemort himself.
The men get up and leave because they know the wont have any peace if they stay home