The followers of an unheard-of-god from another land followed omens that led them to you. The omens indicate that you are to be the mate of an avatar (earthly incarnation) of their god. You disagree but are still harassed by the god's followers.
While you were poking around in some abandoned, ruined place that others of your people avoid, you comes across a hidden cache of ancient treasures, start with maximum starting gold for your class. (work with your DM to determine details)