Louis III, Count of Looz (died 15 May 1243), also known as Ludwig (Latin ''Lodevicus'') was

Count of Loon The County of Loon ( , ) was a county in the Holy Roman Empire, which corresponded approximately with the modern Belgian province of Limburg (Belgium), Limburg. It was named after the original seat of its count, Loon, which is today called Borgloo ...

and of Rieneck. He was the son of

Gerard, Count of Rieneck Gerard (died 1216), Count of Rieneck, son of Gerard, Count of Loon, and Adelaide of Gelderland, daughter of Henry I, Count of Guelders Henry I, Count of Guelders (1117–1182) was Count of Guelders from 1131 until 1182. He was a son of Gerard II ...

(died 1216), and Cunegonde von Zimmern, who was in turn the son of another Count Gerard who was also count of both Rieneck and Loon (died 1191). Upon the death of his father in 1216, and his uncles

Louis II, Count of Loon Louis II was count of Loon from 1191 to 1218. He was the son of Gerard, Count of Looz, and Adelaide of Gelderland, daughter of Henry I, Count of Guelders, and Agnes of Arnstein, daughter of Louis III of Arnstein. He also claimed to be the legit ...

, and

Henry, Count of Looz Henry (died 2 August 1218), Count of Looz and Count of Duras, son of Gérard II, Count of Looz, and Adelaide of Gelderland, daughter of Henry I, Count of Guelders, and Agnes of Arnstein, daughter of Louis III of Arnstein. Henry was Canon of St. ...

, both dying in 1218, it was another uncle

Arnold III, Count of Looz Arnold III (died 1221), Count of Looz and Count of Rieneck, son of Gérard II, Count of Looz, and Adelaide of Gelderland, daughter of Henry I, Count of Guelders, and Agnes of Arnstein, daughter of Louis III of Arnstein. From 1207 to 1214, he wa ...

, who became count of both Loon and Rieneck, while Louis III became Burgrave of Mainz. Arnold III however died childless, and Louis subsequently also became count in both Rieneck, now in Germany, and Loon, now in Belgium. Loon eventually became a county of Louis III's younger brother

Arnold IV, Count of Loon Arnold IV of Loon (Looz) (died between November 1272 and October 1273; most likely on February 22, 1273), was Count of Loon from 1227 to 1273 and Counts of Chiny, Count of Chiny (as Arnold II) from 1228 to 1268. He was the son of Gérard III, Cou ...

, and the division of the two counties became permanent. Louis III had children and his descendants continued to be counts of Rieneck into the 16th century. Vaes (pp. 149–150) reports that Louis married Adelheid of Henneburg and they had the following children: *Ludwig III, count of Rieneck (1243–1289). Married Udehilt of Grumbach and Rothenfels. Their son Ludwig was also count, but had no children. *Gerhard IV, count of Rieneck (died 1295). Married Adelheid of Hohenlohe-Brauneck. Ancestors of later counts of Rieneck. *Siboto, count of Rieneck (died after 1251). *Heinrich II, count of Rieneck (died between 1267 and 1271).

Sources

* * {{Authority control 1243 deaths Belgian nobility