Earl of Douglas  und

Coordinating conjunction

  dessen

Pronoun

  Frau

👩

Noun

  der

Determiner

  schottischen

Adjective

  Prinzessin

👸

Noun

 Margaret,  Lady

Proper noun

 of Galloway.

Earl of Douglas and his wife the Scottish Princess Margaret, Lady of Galloway.

Earl of Douglas and his wife the Scottish Princess Margaret, Lady of Galloway.