Reginald I of Guelders

Reginald I of Guelders (1255 – Monfort, October 9, 1326). was Count of Guelders from January 10 1271 until his death.

He was the son of Otto II, Count of Guelders and Philippe of Dammartin.
In 1276 he married Irmgard of Limburg, only daughter and heiress of Waleran IV, Duke of Limburg. In 1279 he became Duke-consort of Limburg and when Irmgard died childless in 1283, he became the only ruler of the Duchy of Limburg. He lost this title after losing the Battle of Woeringen in 1288.

In 1286 he remarried Margaret of Flanders (1272-1331), daughter of Guy, Count of Flanders and widow of Alexander, Prince of Scotland. they had 5 children:

Financially ruined after the Battle of Woeringen, Guelders came under the influence of his father-in-law, the Count of Flanders.
From 1318, he was replaced by his son, who imprisoned his father in 1320 in the Montfort Castle. Reginald I died here 6 years later.

Preceded by
Otto II
Count of Guelders
1271–1318
Succeeded by
Reginald II
Preceded by
Waleran IV
Duke of Limburg
(de iure uxoris)

1280–1288
Succeeded by
John I, Duke of Brabant