Princess Madeleine of Sweden, Duchess of Hälsingland and Gästrikland (Madeleine Thérèse Amelie Josephine; born 10 June 1982), is the second daughter and youngest child of King Carl XVI Gustaf and Queen Silvia of Sweden. Upon her birth, she was third in line of succession to the Swedish throne. She is currently sixth in the line of succession following the birth of her niece, Princess Estelle, in February 2012 and the birth of her nephews Prince Oscar and Prince Alexander in March and April 2016. Princess Madeleine is married to British-born American financier Christopher O’Neill. The couple has two children, a daughter, Princess Leonore, and a son, Prince Nicolas.