Reginald I of Guelders

He was the son of Otto II, Count of Guelders and Philippe of Dammartin.

Reginald was captured by Daniel van Bouchout during the Battle of Woeringen in 1288.

[2] He was released after he had renounced all claims to the Duchy of Limburg.

In 1286 he remarried Margaret of Flanders (1272–1331), daughter of Guy, Count of Flanders[3] from his second marriage, with Isabelle of Luxembourg.

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.