Perhaps you should try some spelling variations:
son » sohn (Expand Search)
stormy » story (Expand Search)
petra » petru (Expand Search), petro (Expand Search), petre (Expand Search), petera (Expand Search), petrua (Expand Search), petroa (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petrov » peterov (Expand Search), petruov (Expand Search), petroov (Expand Search), petro (Expand Search)
petrou » peterou (Expand Search), petruou (Expand Search), petroou (Expand Search), petru (Expand Search), petro (Expand Search), petrow (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: the son of the stormy (((petra OR (petr OR petrov)) OR petrou) OR petri)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "the son of the stormy (((petra OR (petr OR petrov)) OR petrou) OR petri)*".