The name Alexandrina is a girl's name of Greek origin meaning "defending men". Alexandrina and is often added to lists like International Variations of Alexandra and discussed in our forums with posts like "Themed Families..".
From the experts:
Alexandrina is the most elaborate and unusual of the Alex- girls's names.The real first name of Queen Victoria, who was given it in honor of her godfather, Alexander I of Russia (her childhood nickname was Drina), it would make a distinctive pick, even though some might find five syllables a bit much. It was particularly popular in Scotland in the 1930s.