Sophia of Brandenburg-Stendal
Sophia of Brandenburg-Stendal (1300–1356) was the daughter of Margrave Henry I of Brandenburg-Stendal and Agnes of Bavaria, born into the Ascanian dynasty. In 1327 she married Magnus the Pious, Duke of Brunswick-Wolfenbüttel, linking the Askaniers to the Welfs.
She bore him several children who reached adulthood, including Magnus II with the Necklace, Albert, Prince-Archbishop of Bremen, and Matilda, wife of Bernhard III of Anhalt-Bernburg. Her daughters Agnes and Sophie married into the counts of Hohnstein.