Princess Laurentien of the Netherlands
Princess Laurentien of the Netherlands ( née "Petra Laurentien Brinkhorst"; born 25 May 1966 ) is the wife of Prince Constantijn and sister-in-law of King Willem-Alexander and Queen Máxima . 
<triplet> Princess Laurentien of the Netherlands <subj> 25 May 1966 <obj> date of birth <subj> Prince Constantijn <obj> spouse <triplet> Prince Constantijn <subj> Princess Laurentien of the Netherlands <obj> spouse <subj> King Willem-Alexander <obj> sibling <triplet> King Willem-Alexander <subj> Prince Constantijn <obj> sibling <subj> Queen Máxima <obj> spouse <triplet> Queen Máxima <subj> King Willem-Alexander <obj> spouse