copy after: Michiel Jansz. van, Oval portrait of Johan (Jan) de Groot, portrait painting footage linen oil painting wood 67,0 w 55,5 Oval portrait of man representing Johan (Jan) de Groot father of Hugo de Groot Bust image facing to the right. Beard millstone collar dark robe. Left hand shared family coat of arms (only Cornets coat of arms visible: the canvas is cut to an oval and left top corner is gone). Inscription Front carrier left middle painted Ao. 1636. AEtat. 83. heraldry Alida van Overschie Johan Hugo de Groot Hugo de Groot Rotterdam City Triangle Haringvliet Adriaen Prins This painting belonged to series that hung around 1760 in the upper portal of the house of Adriaen Prins (1692-1780) on the south side of the house. Haringvliet..