Johanna Maria van der Gheynst

Johanna Maria van der Gheynst (also called Jeanne Marie van der Gheynst, Johanna Maria van der Gheenst; - 15 December 1541) was briefly the mistress of Emperor Charles V in 1521-1522 and the mother of one of his daughters, Margaret of Parma. Margaret served as Governess-General of the Netherlands from 1559 to 1567 and from 1580 to 1583.