Henry, Margrave of Frisia

Parents

• Richenza of Swabia
• Otto of Nordheim

Children

• Richenza of Northeim

Siblings

• Kuno, Count of Beichlingen
• Oda von Werl
• Siegfried III, Count of Boyneburg
• Ethelinde of Northeim
• Mathilde von Northeim
• Ida von Nordheim

Partners

• Gertrude of Brunswick