Albert the Tall, a member of the House of Welf, was Duke of Brunswick-Lüneburg from 1252 and the first ruler of the newly created Principality of Brunswick-Wolfenbüttel from 1269 until his death. Wikipedia
Born: 1236
Died: August 15, 1279 (age 43 years)
Grandchildren: Magnus I, Duke of Brunswick-Lüneburg, Otto the Mild, Ernest I, Duke of Brunswick-Grubenhagen, and more
Partner: Alessina (1265–)