Prince Henry of the Netherlands, Duke of Mecklenburg-Schwerin (German: Heinrich Wladimir Albrecht Ernst; Dutch: Hendrik Wladimir Albrecht Ernst; 19 April 1876 – 3 July 1934) was prince consort of the Netherlands as the husband of Queen Wilhelmina of the Netherlands. He was the longest serving consort of the Netherlands.

Heinrich Wladimir Albrecht Ernst of Mecklenburg-Schwerin was born on 19 April 1876 in Schwerin. He was the youngest son of Frederick Francis II, Grand Duke of Mecklenburg-Schwerin, and his third wife, Princess Marie of Schwarzburg-Rudolstadt.

He was created Prince of the Netherlands on 6 February 1901, and married Queen Wilhelmina on 7 February 1901, in The Hague. Although the queen was devoted to her spouse at the time of their marriage, it proved in the long run to be an unhappy one that did little more than meet its obligation by producing an heir. They had one child, Juliana, in whose favor Wilhelmina abdicated on 4 September 1948.

He was the 279th Grand Cross of the Order of the Tower and Sword in Portugal and the 1,157th Knight of the Order of the Golden Fleece in Spain in 1924.

He died, at the age of 58, on 3 July 1934 in The Hague, Netherlands.

He successfully merged the two Dutch Boy Scout organisations Nederlandse Padvinders Organisatie (NPO, Netherlands Pathfinder Organisation) and the Nederlandse Padvinders Bond (NPB, Netherlands Pathfinder Federation) on 11 December 1915 to form De Nederlandse Padvinders (NPV, The Netherlands Pathfinders). He became the Royal Commissioner of that organisation and he asked Jean Jacques Rambonnet to become chairman in 1920 .

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