┌─Otto I Margrave of Brandenberg
┌─Albert II Margrave of Brandenberg
│ │ ┌─Floris III of Holland
│ └─Ada of Holland
│ └─Ada of Scotland ⇒
┌─John I Margrave of Brandenberg
│ └─Matilda of Groitzsch
John II Margrave of Brandenberg
│ ┌─Valdemar II King of Denmark
└─Sophia of Denmark
└─Berengaria of Portugal