match on both sides, was happy. Charlotte allegedly died from exhaustion while trying to nurse her husband after an assassination attempt in 1582. Though William was outwardly stoical, it was feared that his grief might cause a fatal relapse. Charlotte's death was widely mourned. Fourth marriage William married for the fourth and final time on 12 April 1583 to Louise de Coligny, a French Huguenot and daughter of Gaspard de Coligny. She was to be the mother of Frederick Henry (1584–1647), William's fourth legitimate son and fifteenth legitimate child. This youngest of William's children, who was born only a few months before William's death, was to be the only one of his sons to bear children and carry the dynasty forward. Incidentally, Frederick Henry's only male-line grandson, William III, would become king of England, Scotland and Ireland, but he would die childless, at which point the lineage of William the Silent would end, to be succeeded by that of his brother John VI. Issue Between his first and second marriages, William had an common law relationship with Eva Elincx. They had a son, Justinus van Nassau (1559–1631), whom William acknowledged.On 4 December 1597 Justinus van Nassau married Anne, Baronesse de Mérode (9 January 1567 – Leiden, 8 October 1634) and had three children. Coats of arms and titles A noble's power was generally based on his ownership of vast tracts of land and lucrative offices. Besides being ruler over the principality of Orange and a Knight of the Golden Fleece, William possessed other estates, mostly enfeoffed to some other sovereign, either the King of France or the imperial Habsburgs. As holder of these fiefs, he was inter alia: Marquis of Veere and Vlissingen Count of Nassau-Dillenburg, Katzenelnbogen, and Vianden Viscount of Antwerp Baron of Breda, Lands of Cuijk, City of Grave, Diest, Herstal, Warneton, Beilstein, Arlay, and Nozeroy; Lord of Dasburg, Geertruidenberg, Hooge en Lage Zwaluwe, Klundert, Montfort, Naaldwijk, Niervaart, Polanen, Steenbergen, Willemstad, Bütgenbach, Sankt Vith, and Besançon William used two sets of arms in his lifetime. The first one shown below was his ancestral arms of Nassau. The second arms he used most of his life from the time he became Prince of Orange on the death of his cousin René of Châlon. He placed the arms of Châlon-Arlay as princes of Orange as an inescutcheon on his father's arms. In 1582, William purchased the marquisate of Veere and