They have been cultivated by his family believed. They do so based on the belief that they were the lucky ones. And avoid the belief that they meet with misfortune.
They have been cultivated by his family to believe it. They chose to follow the faith that enables them to find, but good luck and avoid to follow the belief that making them meet the unfortunate.
They have been taught by his family, I believe, that they can choose to follow the belief that they were found, but it was lucky and avoid the in accordance with the belief that they had found the unfortunate