Matilda of Brunswick-Lüneburg

She was the seventh child and only daughter of Albert I, Duke of Brunswick-Lüneburg by his second wife Alessina, daughter of Margrave Boniface II of Montferrat.In March 1291 Matilda married Duke Henry III of Glogów.During her marriage, Matilda gave birth to nine children, five sons and four daughters.After Henry III's death in 1309, and despite the fact that her eldest son Henry IV the Faithful was of legal age to rule by himself, Matilda became the regent of her husband's duchies (except Glogów, which was given to her by Henry III in his will as her dower) until 1312.On her death, Glogów was inherited by her sons Henry IV and Przemko II as co-rulers until 1321, when they divided their domains and Przemko II retained Glogów as sole ruler.