Engelbert I of Nassau
Engelbert I of Nassau was a son of Count John I of Nassau-Siegen and Countess Margaret of the Mark, daughter of Count Adolph II of the Marck.
Early years
Engelbert of Nassau was a student in Cologne, Germany in 1389 and a dean in Münster from 1399 to 1404. 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.Marriage and issue
Engelbert's brothers were childless and he left the deanery so he could marry Johanna van Polanen in 1403. They had six children:- John IV, Count of Nassau-Siegen married Mary of Looz-Heinsberg
- Henry II, Count of Nassau-Siegen Genoveva of Virneburg 2) Irmgard of Schleiden-Junkerath
- Margaretha, married Diederik, Count of Sayn
- Willem
- Mary, married Count John II of Nassau-Wiesbaden-Idstein
- Philip
- Margaretha of Nassau. She married Hugo Wijnrix.