| Engelbert I of Nassau | |
| Noble Family: | House of Nassau |
| Father: | John I of Nassau-Siegen |
| Mother: | Margaret of the Mark |
| Spouse: | Johanna van Polanen |
| Birth Place: | Dillenburg |
| Death Place: | Breda |
| Burial Place: | Church of Our Lady in Breda |
Engelbert I of Nassau (in Dillenburg3 May 1442, in Breda) was a son of Count John I of Nassau-Siegen and Countess Margaret of the Mark, daughter of Count Adolph II of the Marck.[1]
Engelbert of Nassau was a student in Cologne, Germany in 1389 and a dean in Münster from 1399 to 1404.[2] He became counselor to the Duke of Brabant, first to Anton of Burgundy, and later for his son Jan IV of Brabant. He would later serve Philip the Good.
Engelbert's brothers were childless and he left the deanery so he could marry Johanna van Polanen in 1403.[3] They had six children:
Engelbert had an illegitimate daughter with an unknown mistress:
He died May 3, 1442, in Breda. A mausoleum was built for Engelbert in the Church-of-Our-Lady (the Great Church) in Breda. The construction took thirty years, from 1460 to 1490.