Pronunciation: sehv-REEN or sehv-RIN
Other forms: Severina, Seweryna
Thanks to Shelby for suggesting Sévérine. I am sorry it's taken so long to get this up!
This lovely French name comes from Severinus, which is a form of the Roman family name, Severus, meaning "stern". Sévérine is an edgy and chic name, and very unusual. In 2000, it ranked #403 in France, but has since fallen off the charts, though I wouldn't be surprised if a few daring parents decided to use it, after it got a bit of spotlight from Bérénice Marlohe's beautiful and mysterious character in the newest James Bond movie, "Skyfall".
Sévérine is just one of the many different forms of Severinus. The original female counterpart is Severina, and is used in Croatia, Germany, Italy, and Portugal. The Polish version is Seweryna. For boys there is Severino, Séverin, Severiano, Seweryn, Severi, Severo, and Søren.
This name is almost universal, there is a form for everyone, and it would be perfect for a multilingual family.