Tags: Noble.
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.