Maria of Loon-Heinsberg (1426 – 20 April 1502) was the daughter of John I, Count Loon-Heinsberg. Her mother was Countess Margaret of Solms-Braunfels.
Maria died on 20 April 1502 and is buried with her husband in the mausoleum of Engelbert I of Nassau in the Church of Our Lady at the Market Square in Breda.
Marriage and issue
She married on 7 February 1440 with John IV, Count of Nassau, Lord of Breda. They had the following children:
- This article incorporates information from the equivalent article on the Dutch Wikipedia.