Otto von Braunschweig-Lüneburg

• 
• Born in 1202
• Deceased on June 19, 1252, at the approximate age of 49 years

Parents

• Wilhelm Welf, Guillaume de Lunebourg (1183 - 1214)
• Hélène de Danemark

Family

• Married with Mathilde von Brandenburg (1210 - 1261), issuing
  • Adelheid
  • Agnes
  • Albrecht
  • Élisabeth
  • Helene (c. 1231 - 1273)
  • Johann
  • Mathilde