Complex sentence: Alexandru Sturdza was brother of Roxandra Edling-Sturdza and a cousin of Mihail Sturdza, prince of Moldavia from 1834 to 1849.
Split into simpler sentences: Alexandru Sturdza was brother of Roxandra Edling-Sturdza. He was cousin of Mihail Sturdza, prince of Moldavia from 1834 to 1849.