The Dead Brother's Oath(1969)

One of nine sons, Konstantis, convinces his mother to arrange the marriage of his only sister, Areti, to a stranger and swears on the Bible that he will go himself and fetch her if she is ever needed. When all nine sons succumb to an epidemic, leaving their mother alone, she curses Konstantis, who rises from his grave to find his sister and bring her back to the family home. Now thought to be a lost movie.